Perfidia

Recording by Alfredo Sadel.

Recording identifiers

ISRC
US3Z41600415
CopyrightID (CopyrightChains transaction hash)
0xdf3d4914c7101d6a83e2e9367f52749bb2e2476775938f7ab86730b12a52f0e4
Copyright registration time
2026-06-23T17:54:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:e615027bb6d7e7d566517099dc8ecf89a6e5a2a2e346a1ed092710603c6e06fb

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.