Yesterday

Recording by Ken Boothe.

Recording identifiers

ISRC
GBQXA0910543
CopyrightID (CopyrightChains transaction hash)
0xcfb2d58062fce780f23ccb5f48771cbe25c2e3248d00874262e3c6dde5c5d9ca
Copyright registration time
2026-07-07T12:15:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:acfb5a03183194057aa9753f3d858acaf1bc9086b2c918fb48bc08ddb4c45946

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.