OT-2026-000020344
Publication integrity record
Single bellows cup vacuum gripper, 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-2026-000020344) never changes.
Identity and time
| Publication number | OT-2026-000020344 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-75a4-aa9d-ad203ba487b0 · 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-2026-000020344 |
| Status | PUBLIC |
Content hashes
| Canonical text | c4ff6cfdbc525d5a4edfb4e0833e80bbe201e0c3ff4dc0388d71688ac02188df |
|---|---|
| Markdown | 279c293da6487c88cec9d2789b9142c7aa4a1717b270a6e9651357247693657d |
| Publication page | df449f114c518111a4b7b1a4e41340e87adf673411cb03e09ad3512615908dd3 |
| Manifest | a7cfc8959ca2e3ce1dbbbd857e79ba94209dd30f4bba06ab05f62181b5eb2b48 |
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 | mIO6wfnbgSCOquSIScu6MkzJPLzuq+eGbXfJC10Td3dx+stjbxsTgE+ffXgfbXCBeJUZ3u1muQ5k2kRdDIStBg== |
| 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
| 2026-09-17T12:00:07.115025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020344observed df449f114c518111a4b7b1a4e41340e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:07.093882Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020344/manifest.jsonobserved a7cfc8959ca2e3ce1dbbbd857e79ba94...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:07.075530Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020344/publication.mdobserved 279c293da6487c88cec9d2789b9142c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:07.040963Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020344/publication.txtobserved c4ff6cfdbc525d5a4edfb4e0833e80bb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:17.607186Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020344observed df449f114c518111a4b7b1a4e41340e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:17.590559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020344/manifest.jsonobserved a7cfc8959ca2e3ce1dbbbd857e79ba94...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:17.572649Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020344/publication.mdobserved 279c293da6487c88cec9d2789b9142c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:17.554433Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020344/publication.txtobserved c4ff6cfdbc525d5a4edfb4e0833e80bb...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. |
|---|