ISRC UYAZ12100048
Verified recording
UYAZ12100048 is “Qué Debo Hacer” by Alfredo Zitarrosa,
registered on the CopyrightChains blockchain with CopyrightID
0x57f95c9e0bf4359d8d8d5bd06ffe73223763b87a720afd608382fa6f9f67b6c8 and independently timestamped
in Bitcoin block 960163 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UYAZ12100048.
Recording identifiers
- ISRC
- UYAZ12100048
- Title
- Qué Debo Hacer
- Artist
- Alfredo Zitarrosa
- CopyrightID (CopyrightChains transaction hash)
0x57f95c9e0bf4359d8d8d5bd06ffe73223763b87a720afd608382fa6f9f67b6c8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:20:38+00:00
- Bitcoin block
- 960163
- Canonical record hash
sha256:d139af7ca200cab5b9d63a7a10ad0b3348e1f7a10f00a532cf8bd5e1644546ac- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UYAZ12100048
- Bitcoin block existence check
- https://blockstream.info/api/block/960163