ISRC CA5KR1578888
Verified recording
CA5KR1578888 is “Last Year” by Bossman JD,
registered on the CopyrightChains blockchain with CopyrightID
0x1390907dbeb55c49d1e85d29a88bc2e9056651cb17317f6516fac942f3bbeef9 and independently timestamped
in Bitcoin block 960284 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KR1578888.
Recording identifiers
- ISRC
- CA5KR1578888
- Title
- Last Year
- Artist
- Bossman JD
- CopyrightID (CopyrightChains transaction hash)
0x1390907dbeb55c49d1e85d29a88bc2e9056651cb17317f6516fac942f3bbeef9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:23:26+00:00
- Bitcoin block
- 960284
- Canonical record hash
sha256:2056f48bc0b4079def6c182097c084159818fc4ebe845a6699d81ab0a80eecd3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KR1578888
- Bitcoin block existence check
- https://blockstream.info/api/block/960284