O Tambor

Recording by Milton Nascimento.

Recording identifiers

ISRC
BRP0J1900002
CopyrightID (CopyrightChains transaction hash)
0xca5b37ece9f7271c4671fe933c43e70933d4b1c85c38f7de6bf45a27ec55bbc8
Copyright registration time
2026-06-10T03:32:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:4934fb6151428b89268ea4eb050b38c6c690598fe3b347243153d0a45a810a00

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.