ISRC DEF056702113
Verified recording
DEF056702113 is “12 Etudes, Op. 29: No. 12 In F Major” by Fernando Sor,
registered on the CopyrightChains blockchain with CopyrightID
0x3a06cea7f179a705783f7ba2256b8f1d5493bf733f89eba7bcccec4b4df65b35 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056702113.
Recording identifiers
- ISRC
- DEF056702113
- Title
- 12 Etudes, Op. 29: No. 12 In F Major
- Artist
- Fernando Sor
- CopyrightID (CopyrightChains transaction hash)
0x3a06cea7f179a705783f7ba2256b8f1d5493bf733f89eba7bcccec4b4df65b35
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:8d425217d22a96114f6b420df349313a3b6869b06d01c0adc590c996139d40e4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056702113
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 12 Etudes, Op. 29: No. 12 In F Major · Machine-readable JSON-LD