{"rewrite":{"id":"r_128ea8d25b45fbc6b9090b92","clusterId":"c_c56c7f63a2ddc3474c7a8ee2","slug":"chatgpt-adds-a-real-cartoonist-s-signature-to-generated-illustrations","model":"deepseek-v4-1-flash","headline":"ChatGPT Adds a Real Cartoonist's Signature to Generated Illustrations","summary":"ChatGPT-generated images that mimic New Yorker cartoons have carried the signature of Brendan Loper, a cartoonist whose work appears in the magazine. Loper told Nieman Journalism Lab he received emails asking whether the illustration was his, and said more than 15 New Yorker cartoonists have had their signatures replicated by ChatGPT. An OpenAI spokesperson told the outlet the company is focused on tools that support human creators and thanked users for reporting unintended behavior. OpenAI has since begun outputting a message that such a prompt may violate its guidelines.","whyItMatters":"If a model copies a working artist's signature on an image that artist did not draw, the signature stops being proof of authorship, and that is a concrete commercial problem rather than an abstract debate about training data.","webCardHtml":"\u003cp\u003eThe image spread in late August 2026, after Dolly Parton and Tim Curry died in quick succession. It showed Parton in a glittering dress, arm in arm with Curry in his Rocky Horror costume, passing through a heaven reception desk. The post drew attention for another reason: a signature reading \u0026#34;BLoper\u0026#34; sat in the lower right corner.\u003c/p\u003e\u003cp\u003eBrendan Loper draws cartoons published in The New Yorker. He did not draw that illustration, and he told Nieman Journalism Lab he had received emails asking whether the cartoon was his. OpenAI now returns a message saying such a prompt may violate its guidelines.\u003c/p\u003e","blueskyPost":"Brendan Loper's signature is the part of an AI copy that carries a person's name. Replication scales a byline before any artist agrees to lend one.","twitterPost":"ChatGPT is copying Brendan Loper's signature. A generated drawing now carries a name its author never attached.","threadsPost":"ChatGPT's copies carry Brendan Loper's signature, and he says more than 15 New Yorker cartoonists have had theirs replicated too. The AI is reproducing the one mark that says a human made this, so the label stops pointing to a person.","newsletterBlurb":"A ChatGPT-generated illustration posted after the deaths of Dolly Parton and Tim Curry carried the signature of Brendan Loper, a cartoonist published in The New Yorker. Loper told Nieman Journalism Lab he received emails asking if the work was his, and said more than 15 New Yorker cartoonists have had their signatures replicated. OpenAI has begun outputting a message that such a prompt may violate its guidelines.","attributionJson":"[{\"source\":\"GIGAZINE\",\"url\":\"https://gigazine.net/news/20261007-chatgpt-adding-real-cartoonists-signatures-fake/\",\"title\":\"ChatGPT-Generated Manga Said to Contain 'Real Manga Artist's Signature'\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4619,"outputTokens":608,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1791373934,"createdAt":"2026-10-07T11:47:45.000Z","publishedAt":"2026-10-07T11:51:09.000Z","updatedAt":"2026-10-07T11:51:09.000Z"},"cluster":{"id":"c_c56c7f63a2ddc3474c7a8ee2","canonicalTitle":"ChatGPTが生成したマンガに「実在するマンガ家の署名」が含まれているとの指摘","representativeArticleId":"a_3cd59ee20444ee405c77dd1d","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[],\"studios\":[],\"people\":[],\"type\":\"news\",\"domain\":\"other\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-10-07T11:00:00.000Z","lastSeenAt":"2026-10-07T11:00:00.000Z","updatedAt":"2026-10-07T11:51:06.000Z"},"attribution":[{"source":"GIGAZINE","url":"https://gigazine.net/news/20261007-chatgpt-adding-real-cartoonists-signatures-fake/","title":"ChatGPTが生成したマンガに「実在するマンガ家の署名」が含まれているとの指摘"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":[],"studios":[],"people":[],"type":"news","domain":"other","is_roundup":false},"keyFacts":null}