ISRC DEN961330212
Verified recording
DEN961330212 is “12 Études, Op. 25: No. 12 in C Minor "Ocean"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xb3120cbcdd38494427b6dda7e42e330e635aa382e326765eaf2022822f3d1b83 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961330212.
Recording identifiers
- ISRC
- DEN961330212
- Title
- 12 Études, Op. 25: No. 12 in C Minor "Ocean"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xb3120cbcdd38494427b6dda7e42e330e635aa382e326765eaf2022822f3d1b83
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:883f30fa04d4e6c3ff872a6448675bb2dc6254a9e3352381139e8e5a5a5d9c2e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961330212
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: 12 Études, Op. 25: No. 12 in C Minor "Ocean" · Machine-readable JSON-LD