ISRC USUM71115057
Verified recording
USUM71115057 is “Ahora No” by Cristian Castro,
registered on the CopyrightChains blockchain with CopyrightID
0x85d399588d28d70eab993bb8b652bd94e2b107b810042e7a7e927cb4f8f39c18 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/USUM71115057.
Recording identifiers
- ISRC
- USUM71115057
- Title
- Ahora No
- Artist
- Cristian Castro
- CopyrightID (CopyrightChains transaction hash)
0x85d399588d28d70eab993bb8b652bd94e2b107b810042e7a7e927cb4f8f39c18
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:9fe8cfbfe7320b5fe70b8da8a387ea9fa172c72bf70db8a9cf95a01678a82b30- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71115057
- Bitcoin block existence check
- https://blockstream.info/api/block/953520