O Trem

Recording by Comadre Florzinha.

Recording identifiers

ISRC
BRUME1200030
CopyrightID (CopyrightChains transaction hash)
0x5c98dff3ffea83399a74d6cbc98d827014653157439cb3c53476e0df09ab0a13
Copyright registration time
2026-06-27T21:28:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:717b437843ed2732314c25f0825b1b0afbc9878095c0e919358b777e5e603496

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.