ISRC GBC4T2020308
Verified recording
GBC4T2020308 is “The Theme” by Grum,
registered on the CopyrightChains blockchain with CopyrightID
0xe3f332e925263b5b86f3161c5a011bbf9ea8e15a78f237dd96a3cc5bc3946d03 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBC4T2020308.
Recording identifiers
- ISRC
- GBC4T2020308
- Title
- The Theme
- Artist
- Grum
- CopyrightID (CopyrightChains transaction hash)
0xe3f332e925263b5b86f3161c5a011bbf9ea8e15a78f237dd96a3cc5bc3946d03
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:418c561983227fe5ff78c49a0ca3d00b4b3d8bfbcddcea9a726f2257ec07e0cf- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBC4T2020308
- Bitcoin block existence check
- https://blockstream.info/api/block/960138