OT-2026-000031890
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after set-down
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-2026-000031890) never changes.
Identity and time
| Publication number | OT-2026-000031890 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad2-7f82-a2c9-c9029deb7287 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031890 |
| Status | PUBLIC |
Content hashes
| Canonical text | bd967c17e4e3aa54b47c2bea14cf7e55b1256e2ff8ee2246eb1822293a1bab03 |
|---|---|
| Markdown | 834caecc1eb40c3550456371b0a75122790e954da647f2798d4e0a0cd97fa687 |
| Publication page | 062ff3583e188a4f89381a7f27952e4367ade9f14619d2320d33ed3432ac69ed |
| Manifest | d6da163745ae311c3f6e2477e0a2724bb7fa3a6cd3e50e843235556f1aeda066 |
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 | RnfD9p6nObWIQpg/hSSBpwR9XFm+CuUteabHPESP9OZYUSpsWi5B1i0uYHDN36PIl4wvwniTWNAi142Md3V8Dw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:35:09.395056Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031890observed 062ff3583e188a4f89381a7f27952e43...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:09.375655Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031890/manifest.jsonobserved d6da163745ae311c3f6e2477e0a2724b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:09.357632Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031890/publication.mdobserved 834caecc1eb40c3550456371b0a75122...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:09.336959Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031890/publication.txtobserved bd967c17e4e3aa54b47c2bea14cf7e55...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. |
|---|