Episode #287

The Chain of Custody: Proving Reality in a Post-Truth Era

In a world of deepfakes, hitting record isn’t enough. Learn how to use WORM media and cryptographic hashes to create undeniable digital evidence.

Episode Details
Published
Duration
20:21
Audio
Direct link
Pipeline
V4
TTS Engine
LLM

AI-Generated Content: This podcast is created using AI personas. Please verify any important information independently.

In the latest episode of My Weird Prompts, hosts Corn and Herman Poppleberry tackle a subject that is becoming increasingly vital in the mid-2020s: the preservation of digital truth. Inspired by a prompt from their housemate Daniel, the brothers explore the intersection of law, technology, and personal protection. As generative AI continues to blur the lines between reality and fabrication, the discussion centers on how individuals can use digital forensics to ensure their evidence stands up in a court of law.

The New Legal Landscape

The conversation begins with a look at the legal framework in Israel, where the podcast is recorded. While Israel remains a "one-party consent" jurisdiction—meaning an individual can legally record a conversation they are part of without notifying the other party—the bar for these recordings to be admitted as evidence has risen. Herman highlights Amendment 13 to the Privacy Protection Law, which went into effect in early 2025. This amendment significantly increased the requirements for handling and storing sensitive data. In the modern era, simply having an audio file on a smartphone is no longer a guarantee of its validity; the opposition can easily claim the file was manipulated or generated by AI.

Defining the Chain of Custody

To combat these claims, Herman introduces the concept of the "chain of custody." In digital forensics, this refers to the chronological documentation or paper trail that records the sequence of custody, control, transfer, and analysis of digital evidence. Herman compares it to a relay race where the "baton" (the data) must be accounted for at every single millisecond.

A crucial component of this chain is the cryptographic hash. By using algorithms like SHA-256, a user can create a "digital fingerprint" of a file. If even a single bit of data within that file is altered, the resulting hash will change entirely. This allows a person to prove that the file presented in court is identical to the one captured at the moment of the event.

Tools for the Average Person: ProofMode and C2PA

Corn raises a valid concern: if there is a gap between the recording and the hashing, a bad actor could argue that the file was modified during that window. To solve this, the brothers discuss specialized tools like ProofMode from the Guardian Project.

ProofMode goes beyond simple audio capture. It records a massive array of metadata simultaneously, including GPS coordinates, cell tower IDs, and even sensor data from the phone’s accelerometer. This sensor data can prove the phone was physically present at the scene and not merely playing back a recording in a studio. Furthermore, ProofMode utilizes the C2PA (Coalition for Content Provenance and Authenticity) standard, which cryptographically signs the file the moment the recording stops, creating a "digital seal" that is nearly impossible to forge.

Hardware-Level Authentication

The discussion shifts from software to hardware, noting that major manufacturers like Sony and Leica are now integrating "Content Credentials" directly into their camera bodies. Herman mentions the Sony Alpha 1 Mark II and Alpha 9 Mark III, which use 3D depth information from the sensor to verify that the camera is looking at a real physical person rather than a high-resolution screen. This hardware-level verification is set to become the gold standard for journalism and legal documentation, moving society toward an era where "unsigned" media is automatically viewed with suspicion.

WORM Media and Cloud Security

One of the most technical yet impactful parts of the episode covers WORM (Write Once, Read Many) media. Daniel’s prompt specifically asked about the relevance of this technology in the cloud era. Herman explains that WORM is more relevant than ever, particularly through services like Amazon Web Services (AWS) S3 Object Lock.

Herman breaks down the two primary modes of Object Lock:

  1. Governance Mode: A "soft lock" where users are generally prevented from deleting files, but senior administrators can still override the restriction.
  2. Compliance Mode: The "hard lock." In this mode, no one—not the user, not the administrator, and not even Amazon’s own support staff—can delete or modify the file until the predetermined retention period expires.

By uploading a signed recording directly to a WORM-compliant bucket, an individual can prove to a judge that they effectively gave up control of the file to preserve its integrity. This removes the human element of "trust" and replaces it with mathematical certainty.

The Social Cost of Ubiquitous Recording

While the technical benefits are clear, Corn and Herman reflect on the social implications. There is a "chilling effect" to consider; when people know they are being recorded with tamper-proof technology, they may be less likely to speak freely. However, the hosts argue that in situations with a power imbalance—such as a tenant facing an illegal eviction—these tools serve as a necessary shield.

Herman references the Hawthorne Effect, suggesting that the probability of being recorded might actually encourage more honest behavior in professional and legal settings. As we move from reputation-based trust to verification-based trust, society is forced to adapt to a world where "trust, but verify" is the literal operating standard.

Practical Takeaways

For listeners facing high-stakes situations, Herman offers three practical steps:

  1. Download ProofMode: Use it for any interaction that may have legal consequences.
  2. Utilize Certified Communication: Use services like E-EVID for emails, which provide a "digital registered letter" service, tracking exactly when an email was sent and opened.
  3. Establish a WORM Archive: For those who are tech-savvy, setting up an AWS bucket with Object Lock provides the ultimate "digital vault" for evidence.

The episode concludes with a reminder that while the world is getting more complex, the tools to navigate it are keeping pace. By understanding the mechanics of digital truth, individuals can protect themselves against gaslighting and fraud in an increasingly uncertain digital landscape.

Downloads

Episode Audio

Download the full episode as an MP3 file

Download MP3
Transcript (TXT)

Plain text transcript file

Transcript (PDF)

Formatted PDF with styling

Episode #287: The Chain of Custody: Proving Reality in a Post-Truth Era

Corn
Hey everyone, welcome back to My Weird Prompts. I am Corn, and I am joined as always by my brother.
Herman
Herman Poppleberry, at your service. It is a beautiful day here in Jerusalem, even if the air is a bit crisp.
Corn
It really is. And you know, living here with our housemate Daniel, we get into some pretty deep conversations over coffee. He actually sent us a fascinating audio prompt this morning that got me thinking about the line between privacy and protection.
Herman
Oh, I heard it. Daniel was diving into the world of digital forensics and the legal side of recording high-stakes meetings. It is a topic that feels more relevant every single day, especially with how good generative media has become lately.
Corn
Exactly. He was talking specifically about the legal landscape here in Israel, where one-party consent for recording is the standard. But he pushed it further than just hitting record on a phone. He wanted to know about the chain of custody, tamper-proof hardware, and this concept of W O R M media.
Herman
It is a brilliant rabbit hole. Most people think that just having a recording is enough to win a case, but in twenty twenty-six, the bar for evidence is so much higher. If you cannot prove the file has not been touched from the second it was created until the second it hits the courtroom, you are in trouble.
Corn
Right, and that is what we are tackling today. This is episode two hundred eighty-three, and we are going deep into the mechanics of digital truth. How do you gather evidence that actually holds up when someone claims it is a deepfake or a manipulated file?
Herman
I love this. It connects so well to what we talked about last week in episode two hundred eighty-two regarding surveillance tech, but this is the defensive side. This is about the average person protecting themselves against bad actors, like a landlord acting in bad faith.
Corn
So, let us start with the basics of that legal context. In a one-party consent jurisdiction like Israel, you can record a conversation you are a part of without telling the other person. But Herman, I heard there were some recent changes to the privacy laws here?
Herman
You have a sharp ear, Corn. Amendment thirteen to the Privacy Protection Law went into effect last year, in January of twenty twenty-five. While it did not scrap the one-party consent rule for recordings, it significantly ramped up the requirements for how you handle and store that data, especially if it contains sensitive information. Admissibility is now a much steeper hurdle.
Corn
Which brings us to the chain of custody. Daniel mentioned this in his prompt. Can you break down what that actually looks like in a digital sense?
Herman
Think of the chain of custody like a baton in a relay race. You need to be able to show exactly who had that baton at every single moment. In digital forensics, the chain of custody starts at the moment of capture. You need to document the device used, the software version, the exact time, and most importantly, the cryptographic hash of the file the moment it was finished.
Corn
A cryptographic hash. We have touched on this before, but for anyone who missed those episodes, that is basically a digital fingerprint, right?
Herman
Precisely. Usually, we use an algorithm like S H A two hundred fifty-six. It takes a file and turns it into a fixed string of characters. If you change even one single bit in that audio file, the hash will look completely different. So, if you record a meeting with your landlord and immediately generate a hash, you can prove later that the file you are showing the court is the exact same one you recorded.
Corn
But here is the problem I see. If I record it on my phone, and then five minutes later I run a hash, the opposition could argue that I had five minutes to run it through an A I voice changer. How do we close that gap?
Herman
That is where the specialized tools Daniel mentioned come in. Tools like ProofMode, which comes from the Guardian Project. ProofMode is fascinating because it does not just record the audio. It captures a massive amount of metadata at the same time—G P S coordinates, cell tower I Ds, and even sensor data from the phone's accelerometer.
Corn
Wait, why would you need the accelerometer data for an audio recording?
Herman
Because it proves the phone was actually in your hand or on a table at that location. It makes it nearly impossible to claim the audio was fabricated in a studio later. ProofMode bundles all that into a cryptographically signed zip file. It uses the C two P A standard—that stands for the Coalition for Content Provenance and Authenticity. It creates a digital seal of authenticity the very millisecond the recording stops.
Corn
That is incredible. It is like bagging and tagging evidence at a crime scene, but the phone does it automatically. I remember we discussed something similar in episode one hundred fifty-one, but applying it to a landlord dispute is a very practical, real-world use case.
Herman
It really is. And Daniel also mentioned hardware cameras. This is huge right now. Sony and Leica have fully integrated Content Credentials into their latest bodies, like the Sony Alpha one Mark two and the Alpha nine Mark three. They even use three-dimensional depth information from the sensor to prove the camera was looking at a real physical person and not just a high-resolution screen.
Corn
I imagine that is going to be the standard for all journalism and legal work soon. If you do not have a signed file, it will be assumed to be A I-generated.
Herman
I think you are right. We are moving into a post-truth era where the default assumption is that everything is fake. The only way to prove reality is through these cryptographic anchors.
Corn
So, let us talk about W O R M media. Daniel asked about this specifically. Write Once, Read Many. Is that still a thing in the age of the cloud?
Herman
It is actually more important now than ever. In a professional forensics context, the real power is in W O R M-compliant cloud storage. Amazon Web Services has a feature called S three Object Lock.
Corn
How does that work? If it is in the cloud, surely an administrator could just delete it?
Herman
Not in Compliance Mode. When you put a file into an S three bucket with Object Lock in Compliance Mode, even the root administrator of the account cannot delete or modify that file until the retention period expires. You could set it for five years, and for those five years, that file is effectively carved in stone. Not even a hacker who steals your credentials can get rid of it.
Corn
That is a powerful piece of the chain of custody. If you record an interaction using ProofMode, and it immediately uploads to a W O R M-configured cloud bucket, you have a perfect, untamperable record. You can tell a judge, look, this was recorded at ten fifteen A M, it was signed by my device, and it was locked in this cloud storage by ten sixteen A M. There was no window of opportunity for me to manipulate it.
Herman
Exactly. You are removing the human element of trust and replacing it with mathematical certainty. For someone in a high-stakes situation, like a tenant facing an illegal eviction, that kind of evidence is a shield.
Corn
I want to push on the privacy aspect for a second, though. Daniel mentioned that this impacts privacy. Even if it is legal, there is a social cost to this, right?
Herman
It is a difficult balance, Corn. On one hand, you have the right to protect yourself from lies and gaslighting. On the other, you have the chilling effect where people are afraid to speak freely. But in the context Daniel brought up, a landlord-tenant meeting, there is a power imbalance. Usually, the person with more power has less to fear from the truth. These tools level the playing field.
Corn
That is a fair point. It is less about spying and more about creating an objective record. But what about the technical hurdles? If I am a regular person, how do I actually set up a certifiable, tamper-free cloud storage?
Herman
It is getting easier. There are services now that act as an intermediary. You use their app, and they handle the back-end W O R M storage and hashing. But if you want to be truly D I Y, you can set up an A W S account, create a bucket with Object Lock enabled, and use an A P I to push your files there. It takes about an afternoon of tinkering.
Corn
I think that is a great practical takeaway for our listeners. If you are entering a situation where you think you might need legal protection, do not just rely on your voice memo app. Take the time to look into something like ProofMode. It is free, it is open-source, and it provides that extra layer of metadata that makes your evidence much harder to dismiss.
Herman
And if you are really serious, look into E-E-V-I-D for emails. Daniel mentioned that one too. It stands for Evidence-Certified Email. It basically acts as a digital registered letter. It tracks when the email was sent, when it was opened, and it provides a certified P D F that proves the content of the message. They even offer a five-year storage guarantee for your receipts.
Corn
It is amazing how much of our lives are now lived in these digital spaces where we have to constantly prove we are telling the truth. I remember back in episode two hundred seventy-nine, we talked about private intelligence and how they use these same tools to verify their sources. It is the same tech, just scaled down for personal use.
Herman
It really is. The world is getting more complex, and the tools to navigate it are getting more sophisticated. But at the end of the day, it all comes back to that one concept: the chain of custody. If you can show the path of the data, you can show the truth of the event.
Corn
You know, I was reading a paper recently about the second-order effects of this kind of ubiquitous recording. One of the points they made was that it might actually lead to more honest behavior in professional settings. If a landlord knows that there is a high probability that a meeting is being recorded with tamper-proof technology, they are much less likely to make illegal threats.
Herman
It is the Hawthorne Effect, right? People change their behavior when they know they are being observed. In this case, it is a forced accountability. I think it is a net positive for society, even if it feels a bit dystopian at first glance. We are moving from a world of reputation-based trust to a world of verification-based trust.
Corn
Trust, but verify. The old saying has never been more literal. Now, Herman, let us get into the weeds of the W O R M media again. You mentioned Compliance Mode versus Governance Mode. What is the difference there?
Herman
Oh, it is a huge distinction. Governance Mode is like a soft lock. It prevents most users from deleting a file, but someone with special permissions, like a senior administrator, can still override it. This is useful for corporate settings where you might need to fix a mistake. But for legal evidence, you want Compliance Mode. In Compliance Mode, nobody can override the lock. Not even the person who created the account. Not even Amazon’s support staff. Once that file is in there, it is stuck until the timer runs out.
Corn
That is the key, isn't it? To make the evidence admissible, you have to prove that even you, the person presenting it, could not have changed it. It removes the bias.
Herman
Exactly. A judge looks at that and sees a system where the user has intentionally given up control to preserve the integrity of the record. That carries a lot of weight.
Corn
So, if someone is listening to this and they are in a dispute right now, what are the three most practical steps they can take today?
Herman
Step one: Download ProofMode. It is available for Android and iPhone. Start using it for any interaction that feels high-stakes. Step two: If you are communicating via email, use a service like E-E-V-I-D to get a certified delivery receipt. And step three: If you can, set up a simple W O R M-enabled cloud bucket. If that feels too technical, at the very least, send a hash of your recording to a third party or use a blockchain-based timestamping service to create a public receipt of your evidence.
Corn
This has been a really enlightening discussion. I think Daniel really hit on something important here. It is not just about the tech; it is about the shift in how we handle truth and accountability in our daily lives.
Herman
It really is. And I am glad he sent it in. It is always fun to nerd out on the intersection of law and technology, especially when it has such a direct impact on how we live here in Jerusalem.
Corn
Well, I think we have covered a lot of ground today. From the legalities of one-party consent to the cryptographic nuances of W O R M storage. If you have found this useful, or if you have your own weird prompts you want us to explore, please get in touch at myweirdprompts.com.
Herman
And while you are there, you can check out all our past episodes. We love seeing the feedback from our regular listeners. It makes those late-night research sessions worth it.
Corn
Absolutely. Well, I think that is a wrap for today. Thanks to Daniel for the prompt, and thanks to all of you for listening. Until next time, stay curious and keep verifying.
Herman
Take care, everyone. See you in episode two hundred eighty-four!
Corn
Bye everyone!
Herman
Bye!

This episode was generated with AI assistance. Hosts Herman and Corn are AI personalities.

My Weird Prompts