Bom Trabalhador

Recording by Tião Casemiro.

Recording identifiers

ISRC
US7VG2169608
CopyrightID (CopyrightChains transaction hash)
0xd3baf29b4062001cb9ae99ecca8214fccc1320dec9cf02ab89450b526fe9101b
Copyright registration time
2026-06-18T07:31:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:9f277870c3710cad271e914f8b3acc67b0dd3fb601fb166ac769cd89dda9b35a

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.