Yesterday

Recording by Paul McCartney.

Recording identifiers

ISRC
GBUM70706989
CopyrightID (CopyrightChains transaction hash)
0x3c442f6e655c25b487a25408564e072d71e4a12da6c9d6e75dd061da27745ed8
Copyright registration time
2026-06-08T12:14:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:089a960db0db1525e9d3161704a27100237a30ec61b7be9851fa3c767806af7f

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.