ISRC USUM71022467
Verified recording
USUM71022467 is “Qué Raro” by Oscar D'León,
registered on the CopyrightChains blockchain with CopyrightID
0xf2ac4d866bc638a5a908164961644701d9c728e9fa7a6c07a38e779081ddffad and independently timestamped
in Bitcoin block 960106 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71022467.
Recording identifiers
- ISRC
- USUM71022467
- Title
- Qué Raro
- Artist
- Oscar D'León
- CopyrightID (CopyrightChains transaction hash)
0xf2ac4d866bc638a5a908164961644701d9c728e9fa7a6c07a38e779081ddffad
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T12:41:21+00:00
- Bitcoin block
- 960106
- Canonical record hash
sha256:3c253f94579de4389d6ecbfc94cd397e73cb51be050c24f18daf77cf273fcc7a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71022467
- Bitcoin block existence check
- https://blockstream.info/api/block/960106