ISRC GBLLH1855707
Verified recording
GBLLH1855707 is “Sleep (arr. Gerald Finzi)” by Ivor Gurney,
registered on the CopyrightChains blockchain with CopyrightID
0x58a98a2b32f7c2c227bd9d9ac97cbf9550084ad6fe2fa281cbd00644786e3c7c and independently timestamped
in Bitcoin block 960344 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH1855707.
Recording identifiers
- ISRC
- GBLLH1855707
- Title
- Sleep (arr. Gerald Finzi)
- Artist
- Ivor Gurney
- CopyrightID (CopyrightChains transaction hash)
0x58a98a2b32f7c2c227bd9d9ac97cbf9550084ad6fe2fa281cbd00644786e3c7c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T04:14:58+00:00
- Bitcoin block
- 960344
- Canonical record hash
sha256:5ca1ec65c6154edba1a78067d5c5c054bb375859a9281ae828c3249a847c8bd1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH1855707
- Bitcoin block existence check
- https://blockstream.info/api/block/960344
Full record
Track page: Sleep (arr. Gerald Finzi) · Machine-readable JSON-LD