Toada do Alentejo - Acustica

Recording by Sebastião Antunes & Quadrilha.

Recording identifiers

ISRC
QM4TX1794544
CopyrightID (CopyrightChains transaction hash)
0x45f3e4f414b4d37b93d1acb709982e3a1051710135db37430a99224459292e8e
Copyright registration time
2026-07-31T21:58:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T22:27:44Z
Bitcoin block
960473
Canonical record hash
sha256:fd0193b8989f676b2e0542bacf55e19d551542bc3141ff5bfebf8631ea31f5af

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.