Choros No. 3, "Picapau" (version for a capella)

Recording by Heitor Villa-Lobos.

Recording identifiers

ISRC
DEA550922450
CopyrightID (CopyrightChains transaction hash)
0xe23a37900470910f469bfa21f48b87dd4f76768f29491acdf8d3fba63e8c5c2f
Copyright registration time
2026-08-01T04:12:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T04:52:22Z
Bitcoin block
960513
Canonical record hash
sha256:2f64c968fde37e15dbf839ade6a2c3218876e7dac21fe6013cbdc0d1242830e5

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.