ISRC UKZYK2400039
Verified recording
UKZYK2400039 is “ONCE” by Joseba Irazoki,
registered on the CopyrightChains blockchain with CopyrightID
0x185de862bdf4942aa98783b56929c928e3782adb7aacc03b8f332d2cc3299ea7 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKZYK2400039.
Recording identifiers
- ISRC
- UKZYK2400039
- Title
- ONCE
- Artist
- Joseba Irazoki
- CopyrightID (CopyrightChains transaction hash)
0x185de862bdf4942aa98783b56929c928e3782adb7aacc03b8f332d2cc3299ea7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:9da52cf7c57b8d25c24ad932f4c11ddfe0ef7d361bd8463b2afe05b36b6605c4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKZYK2400039
- Bitcoin block existence check
- https://blockstream.info/api/block/957118