Yesterday

Recording by Acoustic Guitar Collective.

Recording identifiers

ISRC
USCGJ1909844
CopyrightID (CopyrightChains transaction hash)
0x5b6c6fe858cf80c14216ee19b72d114d882bdd41c39c588e2022bb719ae8126c
Copyright registration time
2026-06-11T23:17:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:1aad8b1f7c8362cfa30cf5a44da09609bdd63cdaea23e2d8499a6370278bd203

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.