ISRC USLZJ1413272
Verified recording
USLZJ1413272 is “All That Jazz” by Defunk,
registered on the CopyrightChains blockchain with CopyrightID
0xf3f50ff096f367fbe0529c483ac3d7aed3e07fa79096f87882ec70298c2ce539 and independently timestamped
in Bitcoin block 960403 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLZJ1413272.
Recording identifiers
- ISRC
- USLZJ1413272
- Title
- All That Jazz
- Artist
- Defunk
- CopyrightID (CopyrightChains transaction hash)
0xf3f50ff096f367fbe0529c483ac3d7aed3e07fa79096f87882ec70298c2ce539
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:04:34+00:00
- Bitcoin block
- 960403
- Canonical record hash
sha256:64fd04b7748a5fe97c72289dfe7db3ba5bfb327e3523b4e3d607dfe1eda7f095- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLZJ1413272
- Bitcoin block existence check
- https://blockstream.info/api/block/960403