ISRC RSA221600639
Verified recording
RSA221600639 is “Check Check” by Cobran,
registered on the CopyrightChains blockchain with CopyrightID
0x9998899648251e73232eb928efbb194d858d344daa5ec4cdcd8bb6c025c78a30 and independently timestamped
in Bitcoin block 960240 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/RSA221600639.
Recording identifiers
- ISRC
- RSA221600639
- Title
- Check Check
- Artist
- Cobran
- CopyrightID (CopyrightChains transaction hash)
0x9998899648251e73232eb928efbb194d858d344daa5ec4cdcd8bb6c025c78a30
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:57:33+00:00
- Bitcoin block
- 960240
- Canonical record hash
sha256:46a9e3545a8df55bf3fd09a0c9c857334cf9a677af0394c7aa0ffa98878a22f9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/RSA221600639
- Bitcoin block existence check
- https://blockstream.info/api/block/960240