OT-2026-000090941
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000090941) never changes.
Identity and time
| Publication number | OT-2026-000090941 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c011-7f43-ab9e-ade0ed6069e0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090941 |
| Status | PUBLIC |
Content hashes
| Canonical text | a66db3457086a5d7903a7a5efbccad632850091b153295c107167222b535a697 |
|---|---|
| Markdown | 40372eb2f826f1ec96515ee29551bd2ac79cdf0a1df6c15f38dd4c751f5ec69b |
| Publication page | 6b4a3b2744e8aed700dd4ff59b2ec5e8ff0257fe050fda1ea8f390af57b3dbf7 |
| Manifest | 68fd37e23aa51b9e92d2d2c52fa172bd007ddf1c2233a6d3c92949adb6681335 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | 4xyJM5SC2yG5Gtlzcrp4RpAAuul2m/sFEErJEQqSoAN847CJ7ejDLnsvSrBgnhnz6tWZE5sQ+LyCQzyeX01/Cw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:08.463723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090941observed 6b4a3b2744e8aed700dd4ff59b2ec5e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:08.445770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090941/manifest.jsonobserved 68fd37e23aa51b9e92d2d2c52fa172bd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:08.428060Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090941/publication.mdobserved 40372eb2f826f1ec96515ee29551bd2a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:08.410893Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090941/publication.txtobserved a66db3457086a5d7903a7a5efbccad63...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|