ISRC USB4U1315309
Verified recording
USB4U1315309 is “Cardinal” by Down To Nothing,
registered on the CopyrightChains blockchain with CopyrightID
0x5f2d46f126725598f656a459edbfa06910c50c2ce4002a95f433eba8ba9dd541 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB4U1315309.
Recording identifiers
- ISRC
- USB4U1315309
- Title
- Cardinal
- Artist
- Down To Nothing
- CopyrightID (CopyrightChains transaction hash)
0x5f2d46f126725598f656a459edbfa06910c50c2ce4002a95f433eba8ba9dd541
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:d576021e2cc0df8c9bac16c88fd45d9a0e7731c2a9050ed1f6679a8ecb4b908d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB4U1315309
- Bitcoin block existence check
- https://blockstream.info/api/block/960138