ISRC US2BR9700009
Verified recording
US2BR9700009 is “Calculadora” by Oscar D'León,
registered on the CopyrightChains blockchain with CopyrightID
0xdc0f30e1c1296c6b163988d1c846b28dca9f6457c0fee53610e969318e34df61 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2BR9700009.
Recording identifiers
- ISRC
- US2BR9700009
- Title
- Calculadora
- Artist
- Oscar D'León
- CopyrightID (CopyrightChains transaction hash)
0xdc0f30e1c1296c6b163988d1c846b28dca9f6457c0fee53610e969318e34df61
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:63b805ec49dd84a0295a51a709e9e2bc892f7ef087a9b7b7d48c9269a5c2423b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2BR9700009
- Bitcoin block existence check
- https://blockstream.info/api/block/960397