Piece Concertante Op.27

Recording by Carlos Salzedo.

Recording identifiers

ISRC
JPL250903534
CopyrightID (CopyrightChains transaction hash)
0xe3e810a38fa72e48875a45560029aa090f054bc6b37cd7c1baf45f79236b6284
Copyright registration time
2026-07-07T16:36:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d758c4153f0d99d6a733697a945395bd2890b9e380b4cfff9e18c41f29b14978

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.