ISRC DEN962004470
Verified recording
DEN962004470 is “Nocturnes, Op. 37: No. 1 in G Minor. Andante sostenuto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x70fdd85af97ac49b3a7338bf6deeaa4dc60b2888dcad56ba5db396b101d68f12 and independently timestamped
in Bitcoin block 960403 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962004470.
Recording identifiers
- ISRC
- DEN962004470
- Title
- Nocturnes, Op. 37: No. 1 in G Minor. Andante sostenuto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x70fdd85af97ac49b3a7338bf6deeaa4dc60b2888dcad56ba5db396b101d68f12
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:04:34+00:00
- Bitcoin block
- 960403
- Canonical record hash
sha256:e465426e3c2bdd7062409c82544161e55b4e43920009ee1d1e7718c60debd855- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962004470
- Bitcoin block existence check
- https://blockstream.info/api/block/960403
Full record
Track page: Nocturnes, Op. 37: No. 1 in G Minor. Andante sostenuto · Machine-readable JSON-LD