Yesterday

Recording by Gordon.

Recording identifiers

ISRC
TWI451400005
CopyrightID (CopyrightChains transaction hash)
0x6c1fc03bf8ab80f21f7e75d96bbdda43aced2517a076c4e38a3d8445679a6306
Copyright registration time
2026-06-05T06:07:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:920a98216a7843b711e727a68726a767051d2d6c6634a7733389866133420711

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.