ISRC GBLWD1401207
Verified recording
GBLWD1401207 is “Sonatina for Clarinet and Piano, H. 356: I. Moderato” by Bohuslav Martinů,
registered on the CopyrightChains blockchain with CopyrightID
0xf670440f365e25a1062f37792e05a2c708680dd6393b379c615a2e033b696db3 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1401207.
Recording identifiers
- ISRC
- GBLWD1401207
- Title
- Sonatina for Clarinet and Piano, H. 356: I. Moderato
- Artist
- Bohuslav Martinů
- CopyrightID (CopyrightChains transaction hash)
0xf670440f365e25a1062f37792e05a2c708680dd6393b379c615a2e033b696db3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:34f5ae4a251f491b730357ffe9ce11ccdcc023b56e03b1888044dfd793d771fe- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1401207
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Sonatina for Clarinet and Piano, H. 356: I. Moderato · Machine-readable JSON-LD