Bye Bye Blackbird

Recording by Paul McCartney.

Recording identifiers

ISRC
GBCCS1100076
CopyrightID (CopyrightChains transaction hash)
0x9fad7f05ca29de62e3d4f19d8ec23373538a08b5cf077cde4ea607df8bd165a2
Copyright registration time
2026-06-09T23:24:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:5ecf3d1fd8f17dd53b11ac9f872aae7cf3284c2f3ef6b7dcbc181abe739de1e0

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.