Op De Bon

Recording by Jairzinho.

Recording identifiers

ISRC
NLS5K2200027
CopyrightID (CopyrightChains transaction hash)
0x3aa1710cf74bfd33afcd38ea714e58d4f55782d4d0c30d73cf3b36ff304eda7f
Copyright registration time
2026-06-22T07:06:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:c539b8ae1e10317be476af95b815d6050eaa92e622f63de409a992da61aaac12

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.