ISRC USAT20105540

Verified recording

USAT20105540 is “If” by Joe Zawinul, registered on the CopyrightChains blockchain with CopyrightID 0x4d3d4d75014d13fe9e20c724272241ee85db268025dfe05e2df655d1c5dbb37f and independently timestamped in Bitcoin block 960337 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAT20105540.

Recording identifiers

ISRC
USAT20105540
Title
If
Artist
Joe Zawinul
CopyrightID (CopyrightChains transaction hash)
0x4d3d4d75014d13fe9e20c724272241ee85db268025dfe05e2df655d1c5dbb37f

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T02:51:48+00:00
Bitcoin block
960337
Canonical record hash
sha256:d5df99ec9181b606d3f7a0e2b5ad4d3f264f9726910fee0012746bf21cec6b54
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAT20105540
Bitcoin block existence check
https://blockstream.info/api/block/960337

Full record

Track page: If · Machine-readable JSON-LD