ISRC GBF077841403
Verified recording
GBF077841403 is “Vec Makropulos (The Makropulos Case) / Act 1: Táati, ta Marty je ohromná” by Leoš Janáček,
registered on the CopyrightChains blockchain with CopyrightID
0xd0595772c38ba5dbbe9bbeca010b60d1f982c219f5653287e20a1807514f5fb1 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/GBF077841403.
Recording identifiers
- ISRC
- GBF077841403
- Title
- Vec Makropulos (The Makropulos Case) / Act 1: Táati, ta Marty je ohromná
- Artist
- Leoš Janáček
- CopyrightID (CopyrightChains transaction hash)
0xd0595772c38ba5dbbe9bbeca010b60d1f982c219f5653287e20a1807514f5fb1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:297f18140f219d177e70beba515445a431754fa1134df9a1e73a5ec3b52e29dc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077841403
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Vec Makropulos (The Makropulos Case) / Act 1: Táati, ta Marty je ohromná · Machine-readable JSON-LD