Tuna Ketchup

Recording by Daniel Johnston.

Recording identifiers

ISRC
USA560537833
CopyrightID (CopyrightChains transaction hash)
0x61ee4e5493b29dc4349e0b15524b408a24f6ed064222607a31e6710d97f1fc4d
Copyright registration time
2026-07-06T05:05:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:47e94eae37e79329fc352a7de5ba0a04d53933f0766f14c0623f7345fd338497

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.