ISRC USUL10200887
Verified recording
USUL10200887 is “Que Lástima” by Oscar D'León,
registered on the CopyrightChains blockchain with CopyrightID
0x32d9a562fcadeec5ccc8d1b3c67e86447ad080bcdb2d650a1fbb43ee7c6f0506 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUL10200887.
Recording identifiers
- ISRC
- USUL10200887
- Title
- Que Lástima
- Artist
- Oscar D'León
- CopyrightID (CopyrightChains transaction hash)
0x32d9a562fcadeec5ccc8d1b3c67e86447ad080bcdb2d650a1fbb43ee7c6f0506
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:8583dc8632e7cce3fbf80f7748c377955d03d1976bcaeff419062ac4b7ea7e17- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUL10200887
- Bitcoin block existence check
- https://blockstream.info/api/block/956304