OT-2026-000090609
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000090609) never changes.
Identity and time
| Publication number | OT-2026-000090609 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f30-7af8-9ba2-40ba54f46d44 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090609 |
| Status | PUBLIC |
Content hashes
| Canonical text | 66a07b08b71d8c182774033ec9b360d76d5ccb5621c41d0467cad41dd481e4c2 |
|---|---|
| Markdown | 3f804ebe224cb352f3f3ff5290150d2845395e478137559f095fce8f2e1add43 |
| Publication page | 0ab41e4bc56a8b08e072e15128c01c61854f74f0f7b543b21b92c3e7e37445b9 |
| Manifest | e2ae4e26c210ee9f54d7b04e78328bf8245a47124069abf164ec3ceaed941fe6 |
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 | BJdta6Kt0VbrrKOpYwXJkkDdSc3k+K8CNA3EogxUwhyqo7xX0vhrOl4Pc3Hta30pMpj4viAvXvF5mRDoZvq5CQ== |
| 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
| 2026-09-17T09:44:47.891592Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090609observed 0ab41e4bc56a8b08e072e15128c01c61...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:47.873584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090609/manifest.jsonobserved e2ae4e26c210ee9f54d7b04e78328bf8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:47.855254Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090609/publication.mdobserved 3f804ebe224cb352f3f3ff5290150d28...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:47.837221Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090609/publication.txtobserved 66a07b08b71d8c182774033ec9b360d7...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. |
|---|