OT-2026-000031001
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, pulsed blow-off after 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-2026-000031001) never changes.
Identity and time
| Publication number | OT-2026-000031001 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb7-7536-9c6a-b654f80af965 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031001 |
| Status | PUBLIC |
Content hashes
| Canonical text | c71139f0cdcd7034dee0c18518258dda46328b7cad04784f26a018a0795f6ec7 |
|---|---|
| Markdown | 546d867cdb398a84a61c0ac196051d3077e7b7816f2447df226fb33decffca95 |
| Publication page | 183e19eb2a8b998a11c42793d49b50b368930c6c9badc68b8ce5767237c6f4e7 |
| Manifest | 411059c425cfd1d53e9ae4f33edc5ccaa7346c55bc31677a1cf5b2438a6ffe29 |
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 | JqoLvWm0FiND4pb8SjiuFLBhcst7vDuUxj5nFUGI1j/ZVmE8qgWuX61NuXJHLEVWYna1phLmmxtLPV6zNN2zDQ== |
| 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
| 2026-09-17T11:40:05.311829Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031001observed 183e19eb2a8b998a11c42793d49b50b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:05.292287Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031001/manifest.jsonobserved 411059c425cfd1d53e9ae4f33edc5cca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:05.275366Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031001/publication.mdobserved 546d867cdb398a84a61c0ac196051d30...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:05.252736Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031001/publication.txtobserved c71139f0cdcd7034dee0c18518258dda...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:34.459847Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031001observed 183e19eb2a8b998a11c42793d49b50b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:34.440699Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031001/manifest.jsonobserved 411059c425cfd1d53e9ae4f33edc5cca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:34.423724Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031001/publication.mdobserved 546d867cdb398a84a61c0ac196051d30...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:34.406168Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031001/publication.txtobserved c71139f0cdcd7034dee0c18518258dda...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. |
|---|