OT-2026-000020446
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000020446) never changes.
Identity and time
| Publication number | OT-2026-000020446 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-7da3-bf7b-449bc5641fc3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020446 |
| Status | PUBLIC |
Content hashes
| Canonical text | 187f9012877f8940ecbbaa319eee59d44b1c308a588faf27cc0edd22929c77a4 |
|---|---|
| Markdown | e264c98a935285aee48b304031946e089a6729d4ac0faa228b04801f62cc86d3 |
| Publication page | a0f3b9ef77aa723f00549f5acc3e59875d316af3dd3a0c1b616094d92fd4b301 |
| Manifest | 33f1ae66d951adb9b21a8074b742a06dd82c9c9c4cc13efd4ba52f8cac641a97 |
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 | WFCxshciYeugaN7Hf7gRpvcBkRtr4ODT4NbNBmuRXGBRzfmmpjklCyuISvkE3abhBKE8AHFEfeLnWcZIGbQFBw== |
| 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
| 2026-09-17T12:00:22.294424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020446observed a0f3b9ef77aa723f00549f5acc3e5987...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:22.277897Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020446/manifest.jsonobserved 33f1ae66d951adb9b21a8074b742a06d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:22.260581Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020446/publication.mdobserved e264c98a935285aee48b304031946e08...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:22.241972Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020446/publication.txtobserved 187f9012877f8940ecbbaa319eee59d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.109027Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020446observed a0f3b9ef77aa723f00549f5acc3e5987...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.091811Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020446/manifest.jsonobserved 33f1ae66d951adb9b21a8074b742a06d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.073716Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020446/publication.mdobserved e264c98a935285aee48b304031946e08...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.056305Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020446/publication.txtobserved 187f9012877f8940ecbbaa319eee59d4...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. |
|---|