Poema Para Uma Tribo

Recording by Mariene De Castro.

Recording identifiers

ISRC
BRM1Z1000019
CopyrightID (CopyrightChains transaction hash)
0xd757700887d0e95fc77f5c02829bc6c0d13870e3fa4f090c7966759a05b9cc96
Copyright registration time
2026-07-29T17:13:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:039550810efe5c818177f30eaaa278654147c75dc53a4cdced943455f6a6316b

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.