ISRC DEF056702120
Verified recording
DEF056702120 is “24 Etudes, Op. 35: No. 22 In B Minor” by Fernando Sor,
registered on the CopyrightChains blockchain with CopyrightID
0xe8047db5645bc3c1abd5755ec2d2972c3526eb8fbb10b5c05d6952dba6d17a85 and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056702120.
Recording identifiers
- ISRC
- DEF056702120
- Title
- 24 Etudes, Op. 35: No. 22 In B Minor
- Artist
- Fernando Sor
- CopyrightID (CopyrightChains transaction hash)
0xe8047db5645bc3c1abd5755ec2d2972c3526eb8fbb10b5c05d6952dba6d17a85
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:177eeab87e4acb179c1005dc3ca02b1308d33f2acda287e310e607daf5c841fc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056702120
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: 24 Etudes, Op. 35: No. 22 In B Minor · Machine-readable JSON-LD