ISRC GBLWD1602904
Verified recording
GBLWD1602904 is “Nocturne No. 5 in B-Flat Major, H. 37” by John Field,
registered on the CopyrightChains blockchain with CopyrightID
0xd1c4fada4b237b28518892d749fbb0aa380b6b7f35c8921c4d0d58f0fa31927f and independently timestamped
in Bitcoin block 960185 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1602904.
Recording identifiers
- ISRC
- GBLWD1602904
- Title
- Nocturne No. 5 in B-Flat Major, H. 37
- Artist
- John Field
- CopyrightID (CopyrightChains transaction hash)
0xd1c4fada4b237b28518892d749fbb0aa380b6b7f35c8921c4d0d58f0fa31927f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T01:32:48+00:00
- Bitcoin block
- 960185
- Canonical record hash
sha256:97bce39b8133d817ca2278028964d6b021d0445a2c9827340a4ce5a3d81030bc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1602904
- Bitcoin block existence check
- https://blockstream.info/api/block/960185
Full record
Track page: Nocturne No. 5 in B-Flat Major, H. 37 · Machine-readable JSON-LD