ISRC USAT20400991
Verified recording
USAT20400991 is “Va da Du? (Was It You?)” by The Art Farmer Quartet,
registered on the CopyrightChains blockchain with CopyrightID
0x4e600c8b56b58febf40323cbac54473012391aaecff30a430174f7028ac319c8 and independently timestamped
in Bitcoin block 959163 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAT20400991.
Recording identifiers
- ISRC
- USAT20400991
- Title
- Va da Du? (Was It You?)
- Artist
- The Art Farmer Quartet
- CopyrightID (CopyrightChains transaction hash)
0x4e600c8b56b58febf40323cbac54473012391aaecff30a430174f7028ac319c8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T18:47:29+00:00
- Bitcoin block
- 959163
- Canonical record hash
sha256:78bdeb9540570f58c36fa2f4520a39d3af3f9022b5bbed9d259c2025fd4a6471- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAT20400991
- Bitcoin block existence check
- https://blockstream.info/api/block/959163
Full record
Track page: Va da Du? (Was It You?) · Machine-readable JSON-LD