24 Exercises, Op. 35: No. 16, Moderato

Recording by Fernando Sor.

Recording identifiers

ISRC
NLY331405176
CopyrightID (CopyrightChains transaction hash)
0x8c1a4b8c68a911784cddba55261f6ece7037a42cc97a453840c0f0c6679f89f1
Copyright registration time
2026-07-30T08:40:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T09:37:10Z
Bitcoin block
960236
Canonical record hash
sha256:8c00bc3db98d665030c0db0903197bfc926eb4579826a72d3aa2f4a234c1ebf6

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.