ISRC DEA809203801
Verified recording
DEA809203801 is “Nocturnes, Op. 32: No. 1 in B Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x4398dd6be9eef2be34bc570781fbd5a6272f3f8e3d12f1e24f94e0a00a8cb0cf and independently timestamped
in Bitcoin block 960478 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809203801.
Recording identifiers
- ISRC
- DEA809203801
- Title
- Nocturnes, Op. 32: No. 1 in B Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x4398dd6be9eef2be34bc570781fbd5a6272f3f8e3d12f1e24f94e0a00a8cb0cf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:30:38+00:00
- Bitcoin block
- 960478
- Canonical record hash
sha256:3f73d43747fff9c71c4fd55164df1926c7a6648d42af647897d16ef4ce1b5dc4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA809203801
- Bitcoin block existence check
- https://blockstream.info/api/block/960478
Full record
Track page: Nocturnes, Op. 32: No. 1 in B Major · Machine-readable JSON-LD