24 Exercises, Op. 35: No. 17, Moderato

Recording by Fernando Sor.

Recording identifiers

ISRC
NLY331405177
CopyrightID (CopyrightChains transaction hash)
0x9eb1abe2c5b53998acd8d535fa0ec6514773ea34c7516cad70aae7f5c41c0367
Copyright registration time
2026-07-06T07:43:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:04:01Z
Bitcoin block
957046
Canonical record hash
sha256:0d1364c1b4b9247e07f2f263a7eb1daf5170e31f2dfd1d5936f2505e3747e218

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.