ISRC ITX921002274
Verified recording
ITX921002274 is “24 Leçons progressives, Op. 31 (Excerpts Arr. A. Segovia for Guitar): No. 20 in A Minor” by Fernando Sor,
registered on the CopyrightChains blockchain with CopyrightID
0xef7eb5ef047fe7e2d117f9fd481b83ed4a0e6afb77d7ca5894c735f4655dddd0 and independently timestamped
in Bitcoin block 960330 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITX921002274.
Recording identifiers
- ISRC
- ITX921002274
- Title
- 24 Leçons progressives, Op. 31 (Excerpts Arr. A. Segovia for Guitar): No. 20 in A Minor
- Artist
- Fernando Sor
- CopyrightID (CopyrightChains transaction hash)
0xef7eb5ef047fe7e2d117f9fd481b83ed4a0e6afb77d7ca5894c735f4655dddd0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:58:21+00:00
- Bitcoin block
- 960330
- Canonical record hash
sha256:d069f456d8106d77509cc63ff9cafbcd82f16e76708acddb90c38559880b18f0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITX921002274
- Bitcoin block existence check
- https://blockstream.info/api/block/960330
Full record
Track page: 24 Leçons progressives, Op. 31 (Excerpts Arr. A. Segovia for Guitar): No. 20 in A Minor · Machine-readable JSON-LD