ISRC USAT21000382
Verified recording
USAT21000382 is “Closer” by Jason Castro,
registered on the CopyrightChains blockchain with CopyrightID
0xf2f6b033e59341ca21d343052ac18838fab2a1edd7b36b9576e42d861f1720c6 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAT21000382.
Recording identifiers
- ISRC
- USAT21000382
- Title
- Closer
- Artist
- Jason Castro
- CopyrightID (CopyrightChains transaction hash)
0xf2f6b033e59341ca21d343052ac18838fab2a1edd7b36b9576e42d861f1720c6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:8ba00a6434ebdcf14dc8af7ced882c90dbfa24e78efebfa927774ba108646966- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAT21000382
- Bitcoin block existence check
- https://blockstream.info/api/block/957118