ISRC GBUM71903977
Verified recording
GBUM71903977 is “Critical” by Sam Tompkins,
registered on the CopyrightChains blockchain with CopyrightID
0x1f3cf36a1ca19960d054ac1887d559c4571c9139be816b97897293ba8600201e and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM71903977.
Recording identifiers
- ISRC
- GBUM71903977
- Title
- Critical
- Artist
- Sam Tompkins
- CopyrightID (CopyrightChains transaction hash)
0x1f3cf36a1ca19960d054ac1887d559c4571c9139be816b97897293ba8600201e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:98e7637a29ca27b868c08ff7b966a20a0824c632bbe6b8d603a70f90d766717e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM71903977
- Bitcoin block existence check
- https://blockstream.info/api/block/953520