ISRC USB4U0400631
Verified recording
USB4U0400631 is “A Piece” by State Of The Nation,
registered on the CopyrightChains blockchain with CopyrightID
0x7a0e83363b5c17cedd7aee6e14a8c06cfffd64858a56fdefc4e95acd4a564677 and independently timestamped
in Bitcoin block 960311 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB4U0400631.
Recording identifiers
- ISRC
- USB4U0400631
- Title
- A Piece
- Artist
- State Of The Nation
- CopyrightID (CopyrightChains transaction hash)
0x7a0e83363b5c17cedd7aee6e14a8c06cfffd64858a56fdefc4e95acd4a564677
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:45:02+00:00
- Bitcoin block
- 960311
- Canonical record hash
sha256:15ad89b28503b4e19a47f1f80a9f7e79fd22715aeb01cc2299397dde63bff800- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB4U0400631
- Bitcoin block existence check
- https://blockstream.info/api/block/960311