Grand Solo in D Major, Op. 14: Allegro

Recording by Fernando Sor.

Recording identifiers

ISRC
ITX921002572
CopyrightID (CopyrightChains transaction hash)
0xeb1287606bf00331ac2a1a9af7cf4a9ec4f46e7a1d0602c9b190177586ab4359
Copyright registration time
2026-06-20T10:03:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:d342e794d9c9dfd7962191127f6ad4bbaf254627f9a5ac278376d2cd9484c836

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.