Lennon / McCartney: Blackbird / I Will (Arr. for Chorus)

Recording by John Lennon.

Recording identifiers

ISRC
GBAYC9502906
CopyrightID (CopyrightChains transaction hash)
0x0e732304db3742240295b911cf4a7eb5329ab6fb93f896391e7e729eaa310da3
Copyright registration time
2026-07-06T18:48:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:71cf34c66288a3abae2ef0b112f5beddad2bd581322c20ee82d5d93d0474f247

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.