We publish our audit record because accuracy claims should be checkable. Every entry on this site runs through an automated fact-audit pipeline (accuracy audit → source-grounded repair → visual QA); this page is generated from that pipeline's own report, not written by hand.
This is a fiction/fan codex: entries describe an in-universe canon. Our audits check canon and internal consistency — external fact-checking does not apply the way it does on real-subject codexes.
Last full accuracy audit: 2026-08-20 · 30 entries checked · 10 flagged · 23 issues confirmed · 10 corrected · 13 still open
Saichi Sugimoto — The entry says the movie was directed by Shigeaki Kubo, but the live-action film was directed by Kenji Kubo.
Saichi Sugimoto — The entry claims Noppera-bo (Wilk) died in a shootout with police, but in canon he died by suicide (hanging) after the shootout.
Asirpa — The massacre of the Ainu was orchestrated by Noppera-bo and the Seventh Division under his manipulation — in canon, the massacre was orchestrated by Kiro and the Seventh Division under Lieutenant Tsurumi's manipulation, not solely by Noppera-bo.
Yukimura — The entry states Vinland Saga was first serialized in Weekly Shōnen Magazine from April to October 2005 before moving to Monthly Afternoon, but it actually moved to Monthly Afternoon in November 2005, not December 2005.
Yukimura — The entry claims the series ran in Monthly Afternoon until June 2024, but Vinland Saga concluded in Monthly Afternoon with its final chapter in June 2023, not 2024.
Imperial Japanese Army — The entry states that Saichi Sugimoto earned his nickname 'Immortal Sugimoto' through his overall war record, but in canon it was earned specifically for surviving the Battle of Hill 203.
Imperial Japanese Army — The entry states that Hyakunosuke Ogata shot his younger half-brother Yuusaku during the Battle of Hill 2, but in canon the battle is the Battle of Hill 203.
Prisoner Tattoos — The gold was stolen from the Ainu by the Japanese government (7th Division), not directly by Noppera-bo.
Prisoner Tattoos — Noppera-bo was executed by hanging after being captured, not in prison; the prisoners escaped at different times, not all after his execution.
Shiraishi Treasure — The entry states Noppera-bo was caught and thrown into Abashiri prison, but in canon he was killed by the 7th Division after hiding the gold, not imprisoned.
Shiraishi Treasure — The entry says Noppera-bo died in Abashiri prison and made a promise to the tattooed prisoners there, but in canon he was killed by the 7th Division shortly after hiding the gold, and the promise was relayed via letter or other means.
The Escape from Abashiri Prison — The escape from Abashiri Prison is carried out by Noppera-bo (Yoshitake Bando), not Tokushiro Saibara.
The Hunt for the Third Clue — The entry states the hunt is for 'Sugimoto's hidden gold,' but the gold is not Sugimoto's; it is the stolen Ainu gold originally belonging to the Ainu people, hidden by Noppera-bo (Kiroshirō).
The Hunt for the Third Clue — The entry says the first clue pointed to a specific location in the Shiretoko Peninsula, but in canon, the first clue (the first tattoo) led to the location of the second clue, not directly to a location in Shiretoko; the hunt for the third clue follows the se
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