ISRC GBTKW1401201
Verified recording
GBTKW1401201 is “Blackjack” by Optiv,
registered on the CopyrightChains blockchain with CopyrightID
0x467cc69da5ab8a1dbd841256f79a5a4a0e2ee742eb18b1f1f90d65562edf8fd0 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/GBTKW1401201.
Recording identifiers
- ISRC
- GBTKW1401201
- Title
- Blackjack
- Artist
- Optiv
- CopyrightID (CopyrightChains transaction hash)
0x467cc69da5ab8a1dbd841256f79a5a4a0e2ee742eb18b1f1f90d65562edf8fd0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:9f007a6d40203b8439419ca137ee467d2e2a803937dedde1c6defbb965515919- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBTKW1401201
- Bitcoin block existence check
- https://blockstream.info/api/block/957118