12 Etudes, Op. 29: No. 17 in C Major

Recording by Fernando Sor.

Recording identifiers

ISRC
SE24X2200213
CopyrightID (CopyrightChains transaction hash)
0xc04e04f7e6172614abe297a12b14b1eb446a1508f983ce3af5d982d74934b757
Copyright registration time
2026-01-28T19:56:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:291b3711636ab0b16816ff0e445d58a4398cf40f2ff54a3c304aa6a7b990f743

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.