Perfidia

Recording by Tamara.

Recording identifiers

ISRC
ES5701201222
CopyrightID (CopyrightChains transaction hash)
0x7fb42b47a51fc8ae2317d178201b85ba0e1def3585d410f472a75e3f2d140d3f
Copyright registration time
2026-07-06T07:31:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:50:38Z
Bitcoin block
957075
Canonical record hash
sha256:952ffda9b9b6d778e19105c08cb1e6c47b9f8bc75879698aada34033ea097e8a

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.