Culiacán Vs. Mazatlán

Recording by Calibre 50.

Recording identifiers

ISRC
USUM71024916
CopyrightID (CopyrightChains transaction hash)
0x6464743f753875f77335ca8efe034b2228a4f1a3c2edb63765c100226f5f20b2
Copyright registration time
2026-06-01T11:22:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:4cb48c2b9e030d7bd7b84587f5252d697ac89675e6890be84dae11224a7392ee

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.