Cello Concerto No. 2, W516: I. Allegro non troppo

Recording by Heitor Villa-Lobos.

Recording identifiers

ISRC
HKI192317204
CopyrightID (CopyrightChains transaction hash)
0x2d5b233c71102a427e381d57f5091d36fdddeb3a5618381360475dde9f0d8e34
Copyright registration time
2026-07-06T22:20:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:96bfa4be0b0adcba6c6805e9e7d1b14470fbcaed6f7e5b212e8e37e8122918c2

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.