ISRC ITN321515512
Verified recording
ITN321515512 is “12 Études, Op. 29: 12 Studies, Op. 29: No. 4. in E Minor” by Fernando Sor,
registered on the CopyrightChains blockchain with CopyrightID
0x23a2958c1f30bfebb30b95d11ae792dfdfc3c6b521feb7547ef0a660aca85cbc and independently timestamped
in Bitcoin block 957073 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITN321515512.
Recording identifiers
- ISRC
- ITN321515512
- Title
- 12 Études, Op. 29: 12 Studies, Op. 29: No. 4. in E Minor
- Artist
- Fernando Sor
- CopyrightID (CopyrightChains transaction hash)
0x23a2958c1f30bfebb30b95d11ae792dfdfc3c6b521feb7547ef0a660aca85cbc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T18:39:05+00:00
- Bitcoin block
- 957073
- Canonical record hash
sha256:9904e2c523dc4101d1d197e46aa672de304bfa46ae0aace5f7d23026b999fbf7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITN321515512
- Bitcoin block existence check
- https://blockstream.info/api/block/957073
Full record
Track page: 12 Études, Op. 29: 12 Studies, Op. 29: No. 4. in E Minor · Machine-readable JSON-LD