ISRC USUM71913237
Verified recording
USUM71913237 is “La Cumparsita” by Billy Vaughn,
registered on the CopyrightChains blockchain with CopyrightID
0x61546b1d3c3abc8d4c15e056ecd1b1bb4127c894c38021a95de1a97b57292f5f 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/USUM71913237.
Recording identifiers
- ISRC
- USUM71913237
- Title
- La Cumparsita
- Artist
- Billy Vaughn
- CopyrightID (CopyrightChains transaction hash)
0x61546b1d3c3abc8d4c15e056ecd1b1bb4127c894c38021a95de1a97b57292f5f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:7beb24de2bb0a80b5701242c53bc09400c7bb324eaa65fa9e7f66f4de64c6ac3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71913237
- Bitcoin block existence check
- https://blockstream.info/api/block/953520