String Quartet No. 3: II. Scherzo 'picopas': Molto vivo

Recording by Heitor Villa-Lobos.

Recording identifiers

ISRC
USKC60910150
CopyrightID (CopyrightChains transaction hash)
0x4dd992bf0b4e449c880a7571f6f0714bc587f57d04020030dd9a028e075077ca
Copyright registration time
2026-07-07T06:53:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d486f4c557758b52ba6eb4ceaa7dddf62cecfd015b0fa8162fc898cf7bab2abb

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.