ISRC USUM72307571
Verified recording
USUM72307571 is “Un Buen Perdedor” by Jesús Chairez,
registered on the CopyrightChains blockchain with CopyrightID
0xf69ce9bd6c501b18cdec514d0b656cda647093459082b30972e78cd2ced17ef2 and independently timestamped
in Bitcoin block 960203 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72307571.
Recording identifiers
- ISRC
- USUM72307571
- Title
- Un Buen Perdedor
- Artist
- Jesús Chairez
- CopyrightID (CopyrightChains transaction hash)
0xf69ce9bd6c501b18cdec514d0b656cda647093459082b30972e78cd2ced17ef2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T03:35:13+00:00
- Bitcoin block
- 960203
- Canonical record hash
sha256:9f194716114cc6ecae9f9368c23a26a5dccf203f49a32d20c3dad3b01af64e15- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72307571
- Bitcoin block existence check
- https://blockstream.info/api/block/960203