Por Quem Os Blocos Cantam

Recording by Antônio Nóbrega.

Recording identifiers

ISRC
BRTRB1741738
CopyrightID (CopyrightChains transaction hash)
0x3e300d3d45f262eb22e76ea5d9955b5207c83dca5ac7ca6d51382f83685b13bd
Copyright registration time
2026-08-01T02:57:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T03:13:03Z
Bitcoin block
960500
Canonical record hash
sha256:61381c9de90fb6229edd4499892cecd95254cef77710262e6c06d6186a82e97c

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.