ISRC SEPUD1900201
Verified recording
SEPUD1900201 is “Was It You? (Va dä du?)” by Art Farmer Quartet & Jim Hall,
registered on the CopyrightChains blockchain with CopyrightID
0x596ce6dfee88b44424d7f86cc38c3d368ae3bb68ce9cb5894b6a6c1a1405d7f7 and independently timestamped
in Bitcoin block 960203 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEPUD1900201.
Recording identifiers
- ISRC
- SEPUD1900201
- Title
- Was It You? (Va dä du?)
- Artist
- Art Farmer Quartet & Jim Hall
- CopyrightID (CopyrightChains transaction hash)
0x596ce6dfee88b44424d7f86cc38c3d368ae3bb68ce9cb5894b6a6c1a1405d7f7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T03:35:13+00:00
- Bitcoin block
- 960203
- Canonical record hash
sha256:1f150c276b6cea4ef9e7c30732b2c7493d271adb9a9329c089cd593a7bd93997- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEPUD1900201
- Bitcoin block existence check
- https://blockstream.info/api/block/960203
Full record
Track page: Was It You? (Va dä du?) · Machine-readable JSON-LD