ISRC QM4TW2071224
Verified recording
QM4TW2071224 is “Knuckle Sandwich” by Apathy,
registered on the CopyrightChains blockchain with CopyrightID
0x5123c2480f3c29303167aa6cb6c06892611d00bd6e46be81f4f3b7695cba27b0 and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2071224.
Recording identifiers
- ISRC
- QM4TW2071224
- Title
- Knuckle Sandwich
- Artist
- Apathy
- CopyrightID (CopyrightChains transaction hash)
0x5123c2480f3c29303167aa6cb6c06892611d00bd6e46be81f4f3b7695cba27b0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:eeb456d2dd79851cffa57e81986ab1ee3106bf95f700982ac823cecbdf57acf3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2071224
- Bitcoin block existence check
- https://blockstream.info/api/block/960144