Yesterday

Recording by Martinha.

Recording identifiers

ISRC
BREMI7200153
CopyrightID (CopyrightChains transaction hash)
0x30534ef4ba65a3790e6ee5cc7def522c6ba6c914c391ee1f7940013b6c586758
Copyright registration time
2026-07-30T03:51:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T04:47:22Z
Bitcoin block
960207
Canonical record hash
sha256:6fe059e4585d101c066591778119260ba6f701b9781a16fd2a9803a1afabb346

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.