Song of the Birds

Recording by Pablo Casals.

Recording identifiers

ISRC
DEE471400267
CopyrightID (CopyrightChains transaction hash)
0x0e76cc2343703318cd08e0cb47b25746f3625257dd495d80011e080372cffc8e
Copyright registration time
2026-06-05T16:28:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T15:12:44Z
Bitcoin block
957055
Canonical record hash
sha256:a23728f2a50fc1097386ad16909dfad28d121612677917375604a2d2f8dab901

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.