ISRC USNO19537013
Verified recording
USNO19537013 is “Pastime Rag No. 3” by Artie Matthews,
registered on the CopyrightChains blockchain with CopyrightID
0x4c86517e36b7fc510115e3bc71f3904d60d4d6bab0ba8df9b26bfd1013179b70 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/USNO19537013.
Recording identifiers
- ISRC
- USNO19537013
- Title
- Pastime Rag No. 3
- Artist
- Artie Matthews
- CopyrightID (CopyrightChains transaction hash)
0x4c86517e36b7fc510115e3bc71f3904d60d4d6bab0ba8df9b26bfd1013179b70
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:47ba512f75693c596ede58d49d895e6ff5d3646f829f85e546251bf0f7520384- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO19537013
- Bitcoin block existence check
- https://blockstream.info/api/block/957118