ISRC HKI199751605
Verified recording
HKI199751605 is “Nocturne No. 5 in B-Flat Major, H 37” by John Field,
registered on the CopyrightChains blockchain with CopyrightID
0x2ac779ca1b4896ef4563c5fc9a29e5df1e44e41f5aa55775f60db91b74ce3062 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199751605.
Recording identifiers
- ISRC
- HKI199751605
- Title
- Nocturne No. 5 in B-Flat Major, H 37
- Artist
- John Field
- CopyrightID (CopyrightChains transaction hash)
0x2ac779ca1b4896ef4563c5fc9a29e5df1e44e41f5aa55775f60db91b74ce3062
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:9a7e6fc5f95a767a9f7aad828774797c486739f3d9152c8184b119aa6f35dab8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199751605
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Nocturne No. 5 in B-Flat Major, H 37 · Machine-readable JSON-LD