Um Chorinho em Cochabamba

Recording by Cristóvão Bastos.

Recording identifiers

ISRC
BRPUI2000100
CopyrightID (CopyrightChains transaction hash)
0xd60ae1c7bdc2284ba04c8ebf0e400239d1724f00f8a57e434e2fbb44f94505a4
Copyright registration time
2026-06-22T10:28:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:c6c2dd5007e922fd1d43119d2919fa380666b8c464f9aff563f2b8d9e0570e35

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.