ISRC TCAFL2192290
Verified recording
TCAFL2192290 is “Rubber Biscuit” by Krum,
registered on the CopyrightChains blockchain with CopyrightID
0x3baf706e681fee0982c0be6585d915471ac374cdb6f8d3b2817b9f376f35b3cb and independently timestamped
in Bitcoin block 960463 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAFL2192290.
Recording identifiers
- ISRC
- TCAFL2192290
- Title
- Rubber Biscuit
- Artist
- Krum
- CopyrightID (CopyrightChains transaction hash)
0x3baf706e681fee0982c0be6585d915471ac374cdb6f8d3b2817b9f376f35b3cb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:42:35+00:00
- Bitcoin block
- 960463
- Canonical record hash
sha256:b8a3dca1b44e0bb8b86c23035d37b5819980ea27fc98224ec3686abf02e84f9b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAFL2192290
- Bitcoin block existence check
- https://blockstream.info/api/block/960463