ISRC GRHR11272401
Verified recording
GRHR11272401 is “Opium” by Orchester Karel Vlach,
registered on the CopyrightChains blockchain with CopyrightID
0x91f53a36290b897f08ae14df6a597d032ef6c667a63b8cef95c7c0408da59a83 and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GRHR11272401.
Recording identifiers
- ISRC
- GRHR11272401
- Title
- Opium
- Artist
- Orchester Karel Vlach
- CopyrightID (CopyrightChains transaction hash)
0x91f53a36290b897f08ae14df6a597d032ef6c667a63b8cef95c7c0408da59a83
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:f9a9d6fe0c15f894c715481638be3f771573faf2fb4746309a29064efbc08d7a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GRHR11272401
- Bitcoin block existence check
- https://blockstream.info/api/block/960441