ISRC USUM72307590
Verified recording
USUM72307590 is “El 20” by Jesús Chairez,
registered on the CopyrightChains blockchain with CopyrightID
0xc479ee40b9659e7bac526234d19fb47f29b2d20dd24fefcf5a76721665839597 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/USUM72307590.
Recording identifiers
- ISRC
- USUM72307590
- Title
- El 20
- Artist
- Jesús Chairez
- CopyrightID (CopyrightChains transaction hash)
0xc479ee40b9659e7bac526234d19fb47f29b2d20dd24fefcf5a76721665839597
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:3430a5918b348126381142daa217af4ac83c4f4a98f800cd5d90d7a97ec59dd9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72307590
- Bitcoin block existence check
- https://blockstream.info/api/block/953520