ISRC USZZR1011544
Verified recording
USZZR1011544 is “Alfonsina y el Mar” by Sergio Y Estibaliz,
registered on the CopyrightChains blockchain with CopyrightID
0x74ab659f21150ee23ba5639a6625280618533446ba3c468cd88ef2cd131af2e5 and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZZR1011544.
Recording identifiers
- ISRC
- USZZR1011544
- Title
- Alfonsina y el Mar
- Artist
- Sergio Y Estibaliz
- CopyrightID (CopyrightChains transaction hash)
0x74ab659f21150ee23ba5639a6625280618533446ba3c468cd88ef2cd131af2e5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:60906ab2678c1b5073b2afdf227f2762894329fac5766e80e87e9bcc9a230f3a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USZZR1011544
- Bitcoin block existence check
- https://blockstream.info/api/block/960321