ISRC GBLWD0701104
Verified recording
GBLWD0701104 is “The Makropulos Case, JW 1/10, Act I: Come this way please (Kolenaty, Kristina, Marty, Gregor)” by Leoš Janáček,
registered on the CopyrightChains blockchain with CopyrightID
0x9097e49394a7d712719af976daffcf2c6913f1fed7abaac95c5dcef4f2779f61 and independently timestamped
in Bitcoin block 957122 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD0701104.
Recording identifiers
- ISRC
- GBLWD0701104
- Title
- The Makropulos Case, JW 1/10, Act I: Come this way please (Kolenaty, Kristina, Marty, Gregor)
- Artist
- Leoš Janáček
- CopyrightID (CopyrightChains transaction hash)
0x9097e49394a7d712719af976daffcf2c6913f1fed7abaac95c5dcef4f2779f61
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:39:04+00:00
- Bitcoin block
- 957122
- Canonical record hash
sha256:9bd24dfbd1be52d77c907918646aeb2faa581835180901a141226559775b5888- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD0701104
- Bitcoin block existence check
- https://blockstream.info/api/block/957122
Full record
Track page: The Makropulos Case, JW 1/10, Act I: Come this way please (Kolenaty, Kristina, Marty, Gregor) · Machine-readable JSON-LD