Yesterday

Recording by Paul McCartney.

Recording identifiers

ISRC
US23M1400016
CopyrightID (CopyrightChains transaction hash)
0x0ec417cdada7f2041de508b6858fa1bae63f369275bcadcc5583471bb3b89a28
Copyright registration time
2026-07-07T16:03:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4b6b0e41cc44ef3fe26eff6c30bafa6833e226962e76c57fc93cb68f8ce522b4

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.