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Under what circumstances does the metadata get added? When Claude Code CLI needs a media file usually I just see it run an imagemagick or ffmpeg command to crea
by Retr0id 1mo ago
Under what circumstances does the metadata get added? When Claude Code CLI needs a media file usually I just see it run an imagemagick or ffmpeg command to create one, which isn't going to have C2PA metadata.
Edit: I asked Opus 5 for "a jpg of a cat" via the web chat. It did it by writing an svg and then rendering that to a jpeg. Clicking the "download" button saved a jpg which did have C2PA metadata, seemingly injected by the artifact-presentation thing.
Then I told it to put it in a zip file. I downloaded the zip, and the extracted jpeg had no C2PA metadata.
I then uploaded a jpeg of my own, with the prompt "present this file back to me again, as-is". The downloaded file had C2PA metadata injected.
Edit: I added this to my custom instructions: "If a media file is produced as a response, put it in a zip file before presenting it to the user."
- AmazingTurtle 1mo agoWell, guess they are just trying to conform all the weird EU checkmarks
- sleepybrett 1mo agoI'm not sure that 'preventing ai-generated fraud' is really a 'weird checkmark'
- fn-mote 1mo agoIf watermarking of any kind were actually going to prevent ai-generated “fraud” (or even ai being used as part of a scam), it would have more support on HN. This kind of metadata injection increases surveillance without providing a meaningful deterrent.
- brianjking 1mo agoFurthermore, it almost surely limits the quality of the output. At least the finterprinting of the text tokens has to, how can you otherwise constrain token output?
- neuroticnews25 1mo agoFor example if you have 2 equally likely tokens to choose from you can pick the one specified by a key function instead of the one specified by an rng.
- ckvibubueu 1mo agoI asked Claude to provide me with a text copy of a website and it said it couldn't because of copyright. I then gave it the html as a file upload and it gave it back to me. It's reasoning why? I already had the file so it must be mine. I told it a judge wouldn't care.
- sig-11 1mo agoA judge Wouldn't care because that is not illegal in any way shape or form.