Birds of Concentration

Recording by Work Music.

Recording identifiers

ISRC
GBWUL2442191
CopyrightID (CopyrightChains transaction hash)
0xa4ebd2c935edff1d9a2a884f276bf6dc72ef85facaeede5a6e0a64193769108c
Copyright registration time
2026-07-07T19:37:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:448c1920c35b6cc10d07ec39f3639d649cfe7006b1fedb7168b5b90436b4e643

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.