Sonata: I. Allegro moderato

Recording by Sérgio Assad.

Recording identifiers

ISRC
BXPNP2300027
CopyrightID (CopyrightChains transaction hash)
0x0efb7f07df77decf94eb53fa7d6ebd4a14792ccb4af964a3d40abc152138baf5
Copyright registration time
2026-07-30T12:23:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T12:45:34Z
Bitcoin block
960258
Canonical record hash
sha256:321079bfa0533f01bb6236cdf76a1fd33810fcb432a50a9011cb6c81eaef87f0

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.