Contigo

Recording by Cesar Martinez Ensemble.

Recording identifiers

ISRC
DEZ060500038
CopyrightID (CopyrightChains transaction hash)
0xfaf2a731aaef4ec8380bf022c531fb74a5321cd2c28599133b8de39202c854e2
Copyright registration time
2026-06-24T20:28:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:fa7310bece67c53db064d0933f57ab596789030fbd2e572da3be78280a25a348

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.