A Leaf

Recording by Paul McCartney.

Recording identifiers

ISRC
GBCCS9901145
CopyrightID (CopyrightChains transaction hash)
0x0b2b82c0e812d20c3f5da64473be41ebfa519adee2a3301fa8fc8d6bc1aee838
Copyright registration time
2026-06-27T06:58:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:f7d61ffac1ed8812865bd16efe452985b5e063a43907e9acfd3d2d1fb68a279b

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.