ISRC GBKQU2558163
Verified recording
GBKQU2558163 is “Shadowbox” by Marrow,
registered on the CopyrightChains blockchain with CopyrightID
0x1f52dc971dd195f6c76eabd17eb3a866c90ee5865b46a111899af30a11770bc3 and independently timestamped
in Bitcoin block 959144 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKQU2558163.
Recording identifiers
- ISRC
- GBKQU2558163
- Title
- Shadowbox
- Artist
- Marrow
- CopyrightID (CopyrightChains transaction hash)
0x1f52dc971dd195f6c76eabd17eb3a866c90ee5865b46a111899af30a11770bc3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T15:38:35+00:00
- Bitcoin block
- 959144
- Canonical record hash
sha256:0c7d7f0e7a9e2c2e47d2e3529f589c89e843461c7870e859649abd01965f15ab- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKQU2558163
- Bitcoin block existence check
- https://blockstream.info/api/block/959144