ISRC USAR19900924
Verified recording
USAR19900924 is “All That Jazz” by John Kander,
registered on the CopyrightChains blockchain with CopyrightID
0xfe3f0e557e01a66c738bf375c799365636759b89634101b6a1546c004a2b7cef and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAR19900924.
Recording identifiers
- ISRC
- USAR19900924
- Title
- All That Jazz
- Artist
- John Kander
- CopyrightID (CopyrightChains transaction hash)
0xfe3f0e557e01a66c738bf375c799365636759b89634101b6a1546c004a2b7cef
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:50d332429bd1a96585ceb20f3f4e9408c3e548b82ab1fb488198cb9c5205bb46- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAR19900924
- Bitcoin block existence check
- https://blockstream.info/api/block/960441