ISRC GBUM71024877
Verified recording
GBUM71024877 is “Penitentiary” by Kojak,
registered on the CopyrightChains blockchain with CopyrightID
0xb23f2a722b7c00c74b8bc8873f1826ed7623ca77448b67d229278c0e1d8a1f06 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/GBUM71024877.
Recording identifiers
- ISRC
- GBUM71024877
- Title
- Penitentiary
- Artist
- Kojak
- CopyrightID (CopyrightChains transaction hash)
0xb23f2a722b7c00c74b8bc8873f1826ed7623ca77448b67d229278c0e1d8a1f06
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:f458e82be1a21b7899435cd2266405b69b26e63a40cc3b3dca472ffeb9ed91b7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM71024877
- Bitcoin block existence check
- https://blockstream.info/api/block/957118