Julio Cobian

Recording by Banda Puro Grullo.

Recording identifiers

ISRC
USANG2021271
CopyrightID (CopyrightChains transaction hash)
0x24576ddd21eafe748ff477f0f6e78d7be2a5f9bb7a7aa61f06f697623b55684a
Copyright registration time
2026-07-07T22:27:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:0afd6a15b16e178dd0751c9ea69ead7c84f06a708df22fd6874e5bccfe96c3fe

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.