ISRC USTE10301199
Verified recording
USTE10301199 is “Nocturne No. 1 in E-Flat Major. Molto moderato” by John Field,
registered on the CopyrightChains blockchain with CopyrightID
0x4b9c85faf40a95321b47f17efa676a50d287ad69ea8b66b9ba0c3c0f6d3e514e and independently timestamped
in Bitcoin block 960150 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10301199.
Recording identifiers
- ISRC
- USTE10301199
- Title
- Nocturne No. 1 in E-Flat Major. Molto moderato
- Artist
- John Field
- CopyrightID (CopyrightChains transaction hash)
0x4b9c85faf40a95321b47f17efa676a50d287ad69ea8b66b9ba0c3c0f6d3e514e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:51:49+00:00
- Bitcoin block
- 960150
- Canonical record hash
sha256:4223d6e3727fcbfef9d40f7dbdeab07c9d3e33918e88773452c422d8384e688d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USTE10301199
- Bitcoin block existence check
- https://blockstream.info/api/block/960150
Full record
Track page: Nocturne No. 1 in E-Flat Major. Molto moderato · Machine-readable JSON-LD