Bird on the Wire

Recording by Leonard Cohen.

Recording identifiers

ISRC
USSM19917381
CopyrightID (CopyrightChains transaction hash)
0x856e037584a7810b307064c21ba59d390b78349a049461c514750943ad14ada8
Copyright registration time
2026-07-29T17:02:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:f6602dd95676c3afaa228890ef65035d342417371a64bdf0e50661e08b076d2a

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.