Guru

Recording by Chico César.

Recording identifiers

ISRC
BRCOH1500008
CopyrightID (CopyrightChains transaction hash)
0xc006d564bf4d674988dd3d99b40e7700e897348188eb182a5f1497d0751c222d
Copyright registration time
2026-06-21T21:33:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:223e2f179ba71e9bb00bc491426dbea1b7d8cf7113942013a3ab52ca2656fa24

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.