ISRC USRC12403303
Verified recording
USRC12403303 is “SPJ” by Matt Champion,
registered on the CopyrightChains blockchain with CopyrightID
0xfcf4befd7124714e2ff1759e91380e3b6b9fc00b00f15a116082d50f735b84ee and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRC12403303.
Recording identifiers
- ISRC
- USRC12403303
- Title
- SPJ
- Artist
- Matt Champion
- CopyrightID (CopyrightChains transaction hash)
0xfcf4befd7124714e2ff1759e91380e3b6b9fc00b00f15a116082d50f735b84ee
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:211d96f1a2422a969219822e3562ae6208952fcb9333705ed7e36871e8928b50- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRC12403303
- Bitcoin block existence check
- https://blockstream.info/api/block/953520