ISRC USBDW0900022
Verified recording
USBDW0900022 is “Lagrimas Negras” by Otto,
registered on the CopyrightChains blockchain with CopyrightID
0x5a3b90000100f6f2c48ec3e019e421e93c05b542a618655732f4485e5985290b 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/USBDW0900022.
Recording identifiers
- ISRC
- USBDW0900022
- Title
- Lagrimas Negras
- Artist
- Otto
- CopyrightID (CopyrightChains transaction hash)
0x5a3b90000100f6f2c48ec3e019e421e93c05b542a618655732f4485e5985290b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:d5c507e1a90f75036103af0c2c272e7c2223f2f141b4119b4b5432f2c8b46b27- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBDW0900022
- Bitcoin block existence check
- https://blockstream.info/api/block/953520