Berimbau / Cuica / Cavaquinho / Tristeza

Recording by Rosinha De Valença.

Recording identifiers

ISRC
DEA116702430
Release date of the album this recording appears on
1967-02-21
CopyrightID (CopyrightChains transaction hash)
0x8a27f48d7faba662f791bd1b22f87074f30719435247fd9d55276cb07b6140ab
Copyright registration time
2026-07-30T03:03:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T05:15:54Z
Bitcoin block
960209
Canonical record hash
sha256:affd9d0f485969619b075c036d33b8144331112058f028c201c634b375314127

What this proof establishes

This recording was released in 1967, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.