Samba a Dois

Recording by Orquestra Petrobras Sinfônica.

Recording identifiers

ISRC
BRDEP1700066
CopyrightID (CopyrightChains transaction hash)
0x00234f4c570c0982c55570ebc73954b67022f0f7dabfdcd3aff2f82d5fd8de71
Copyright registration time
2026-07-06T04:35:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T07:53:57Z
Bitcoin block
956894
Canonical record hash
sha256:ecdf20dbad7db68875cf0e29990148418f6df8a9bfe1bf99354eebefe74b286e

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.