ISRC DEF057230111
Verified recording
DEF057230111 is “12 Études, Op. 25: No. 12 in C Minor "Ocean"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xc6efeb342d01c1fff11ce90c13b8ee23670871638489ac96736b73c230b0f36b and independently timestamped
in Bitcoin block 960095 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230111.
Recording identifiers
- ISRC
- DEF057230111
- Title
- 12 Études, Op. 25: No. 12 in C Minor "Ocean"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xc6efeb342d01c1fff11ce90c13b8ee23670871638489ac96736b73c230b0f36b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:07:37+00:00
- Bitcoin block
- 960095
- Canonical record hash
sha256:85808a74d29542f0bd74622d309ddb080f7204d21006a0582464071f37947593- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230111
- Bitcoin block existence check
- https://blockstream.info/api/block/960095
Full record
Track page: 12 Études, Op. 25: No. 12 in C Minor "Ocean" · Machine-readable JSON-LD