ISRC USCJ81401258
Verified recording
USCJ81401258 is “First” by Cold War Kids,
registered on the CopyrightChains blockchain with CopyrightID
0x9f0bddee4a0e53962a51cd689f641ae1816f96bb58d1ca8eb7741914c8ac52d4 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCJ81401258.
Recording identifiers
- ISRC
- USCJ81401258
- Title
- First
- Artist
- Cold War Kids
- CopyrightID (CopyrightChains transaction hash)
0x9f0bddee4a0e53962a51cd689f641ae1816f96bb58d1ca8eb7741914c8ac52d4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:1e9177bc5f6169e713967de0c940216d0c42b291217993e73a58f35d1ee95205- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCJ81401258
- Bitcoin block existence check
- https://blockstream.info/api/block/953513