Birdsong - 2022 Mix

Recording by Alex Heffes.

Recording identifiers

ISRC
US23A1551344
CopyrightID (CopyrightChains transaction hash)
0x4a5924e2b4f01a46c8e24623f85055331d10830850019578309aec3c7eed5b9a
Copyright registration time
2026-06-21T22:32:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4dc535d173ab41b6a53f9c77e219a18960d6a2cadc4c5d9b5a2f6696dfd062fb

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.