OT-2026-000021683
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000021683) never changes.
Identity and time
| Publication number | OT-2026-000021683 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7919-8151-ba75e51e3139 · 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-2026-000021683 |
| Status | PUBLIC |
Content hashes
| Canonical text | 799dca94e870658529d3b13a6271fcb4bf224f02f463bcd5c8e12a6f6ab7b48b |
|---|---|
| Markdown | 911cc1fff8bcc149fdc044131a7238360543d092a2a856e99cfd8a84a0a3fdad |
| Publication page | c005c5230a8174521de6c0487a0f05cfad16652a558043485fa42b6a8eef9065 |
| Manifest | e3ba18d8f05710e615f6ee170e5f077bf2f6f955e700f005806bc12a6b999ba2 |
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 | ntE4vPAJLu7tiwINp8mfGfJICigzP8SHAwS3jJlDlZOyb4EE5GTcq9KZc1LqHGDt1osuWLYNKuzEa7inStsUCA== |
| 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
| 2026-09-17T11:54:13.071529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021683observed c005c5230a8174521de6c0487a0f05cf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:13.054636Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021683/manifest.jsonobserved e3ba18d8f05710e615f6ee170e5f077b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:13.038655Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021683/publication.mdobserved 911cc1fff8bcc149fdc044131a723836...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:13.022100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021683/publication.txtobserved 799dca94e870658529d3b13a6271fcb4...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. |
|---|