ISRC GBBBA1800134
Verified recording
GBBBA1800134 is “Sinfonietta, JW 6/18: 1. Allegretto - Allegro - Maestoso” by Leoš Janáček,
registered on the CopyrightChains blockchain with CopyrightID
0x01fc27d3f9539422f88d0fb33ec012248c37e578e0560cb082ccae8416695e66 and independently timestamped
in Bitcoin block 960354 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800134.
Recording identifiers
- ISRC
- GBBBA1800134
- Title
- Sinfonietta, JW 6/18: 1. Allegretto - Allegro - Maestoso
- Artist
- Leoš Janáček
- CopyrightID (CopyrightChains transaction hash)
0x01fc27d3f9539422f88d0fb33ec012248c37e578e0560cb082ccae8416695e66
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:48:18+00:00
- Bitcoin block
- 960354
- Canonical record hash
sha256:815d8609139a5e109314d1a0764ddc050f9faaf5dcb6ad355e56defc7ce74c98- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800134
- Bitcoin block existence check
- https://blockstream.info/api/block/960354
Full record
Track page: Sinfonietta, JW 6/18: 1. Allegretto - Allegro - Maestoso · Machine-readable JSON-LD