ISRC DEF056702122
Verified recording
DEF056702122 is “24 Etudes, Op. 35: No. 14 In C Minor” by Fernando Sor,
registered on the CopyrightChains blockchain with CopyrightID
0xa09c0e8c7f21a55b73e4e99a68cff4ce63e5d360c737a65c576e5c5e10b59f2d and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056702122.
Recording identifiers
- ISRC
- DEF056702122
- Title
- 24 Etudes, Op. 35: No. 14 In C Minor
- Artist
- Fernando Sor
- CopyrightID (CopyrightChains transaction hash)
0xa09c0e8c7f21a55b73e4e99a68cff4ce63e5d360c737a65c576e5c5e10b59f2d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:95d5e3c6ae2cd8217b358dc57e70e8c723636e8a83e3406b382c277ac3f147f4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056702122
- Bitcoin block existence check
- https://blockstream.info/api/block/960321
Full record
Track page: 24 Etudes, Op. 35: No. 14 In C Minor · Machine-readable JSON-LD