ISRC DEF050800006
Verified recording
DEF050800006 is “Nocturnes, Op. 32: No. 1 Andante sostenuto In B Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xe0f9b0152427cd8cbfb9b483d61dd8bf679b988f2ea28721555ea2d8afb754e6 and independently timestamped
in Bitcoin block 960422 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF050800006.
Recording identifiers
- ISRC
- DEF050800006
- Title
- Nocturnes, Op. 32: No. 1 Andante sostenuto In B Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xe0f9b0152427cd8cbfb9b483d61dd8bf679b988f2ea28721555ea2d8afb754e6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:27:29+00:00
- Bitcoin block
- 960422
- Canonical record hash
sha256:ceef2addade0a83d975519c78db79159b16d041775de40b45629626d8ff79d7e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF050800006
- Bitcoin block existence check
- https://blockstream.info/api/block/960422
Full record
Track page: Nocturnes, Op. 32: No. 1 Andante sostenuto In B Major · Machine-readable JSON-LD