OT-2026-000021624
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000021624) never changes.
Identity and time
| Publication number | OT-2026-000021624 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7455-938a-8c03ba15905f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021624 |
| Status | PUBLIC |
Content hashes
| Canonical text | f9f9af802aaf2c8252ea2bc34611dc94a0d5bb54fd1408de9127b5e50f8e5309 |
|---|---|
| Markdown | e25ede36c62015697974abfb039090664392c1e364dd2bc50287fc79ff53d1ec |
| Publication page | f8a589ad55effe33fd3dacc42aa4f3603f68afbc42b42b8fcea62665abaf83fa |
| Manifest | 66d49a210d336ff08f734770ebcd82f948191edba2ad237ca58077db96dd05a6 |
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 | CYk4W7vPrfuNt5AjI2zrmHczxVKN8p0WsdGFWsT01KvZti0+zxtcpgcG0Z4UGzsd4ZVmX8Jpr6dMAt/TZngvAg== |
| 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
| 2026-09-17T11:54:08.939044Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021624observed f8a589ad55effe33fd3dacc42aa4f360...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:08.918421Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021624/manifest.jsonobserved 66d49a210d336ff08f734770ebcd82f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:08.897095Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021624/publication.mdobserved e25ede36c62015697974abfb03909066...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:08.872963Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021624/publication.txtobserved f9f9af802aaf2c8252ea2bc34611dc94...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. |
|---|