Grand Solo, Op. 14

Recording by Fernando Sor.

Recording identifiers

ISRC
USBC10507862
CopyrightID (CopyrightChains transaction hash)
0x613d07260572de2dd9ecf628c794b882b223e30d7de6afefe0cc03ae7b10c01a
Copyright registration time
2026-07-07T11:29:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:66695b8ae0e222e87298a1c55a25e877140218009a6050a59fbc634eb00d1a36

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.