Blackbird

Recording by Nico Pusch.

Recording identifiers

ISRC
DEQR61600008
CopyrightID (CopyrightChains transaction hash)
0xd3321e919ee8a3c96510023da0d4471c018c3383d36956a3074a9f88f190f310
Copyright registration time
2026-06-11T05:35:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:8b545c963ad9b7baba1fb246d30dc73de29d30aaa2b030eb3fe8ca5c733302dc

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.