Casi Perfecta

Recording by William Del Norte.

Recording identifiers

ISRC
FRX201769738
CopyrightID (CopyrightChains transaction hash)
0xbaff70bc03ba597693e926eb8e584fb3244fa123834c65f45ec3bcaa4a47cb62
Copyright registration time
2026-07-30T16:15:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T17:23:26Z
Bitcoin block
960284
Canonical record hash
sha256:337491af2a45bd9e4e06f64a3ba0d9ad0dc49a7f347ce089cf58aa32b7c9717a

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.