ISRC USNE90803509
Verified recording
USNE90803509 is “Pastime Rag No. 4” by Artie Matthews,
registered on the CopyrightChains blockchain with CopyrightID
0x37567d192614c0c085d63e34fdc26da06511199673894e8a4db27cbe9f88e298 and independently timestamped
in Bitcoin block 960240 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNE90803509.
Recording identifiers
- ISRC
- USNE90803509
- Title
- Pastime Rag No. 4
- Artist
- Artie Matthews
- CopyrightID (CopyrightChains transaction hash)
0x37567d192614c0c085d63e34fdc26da06511199673894e8a4db27cbe9f88e298
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:57:33+00:00
- Bitcoin block
- 960240
- Canonical record hash
sha256:e8e87444afcdb0a32ad655bdc90cb906ffef6fe2a19bb9dffd313d58acb55a28- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNE90803509
- Bitcoin block existence check
- https://blockstream.info/api/block/960240