OT-2026-000021503
Publication integrity record
Foam pad vacuum gripper, two zone face, common isolation valve, single 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-2026-000021503) never changes.
Identity and time
| Publication number | OT-2026-000021503 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-76bb-ba2c-88b852570ddd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021503 |
| Status | PUBLIC |
Content hashes
| Canonical text | f5fe7c71ab16501e41ec7172d92477dd72b4ab26f9a15a01c488284c8e9b9c97 |
|---|---|
| Markdown | f1a01cec9ce580f2ff0d80565ff2e4e33c4b5ac43ebe05955f1eda5934b4022a |
| Publication page | f5b18cda893597370494804c5acb5e00f0cd5b3ffffc52769c7de283a40063ca |
| Manifest | f755fb16e5737c8c12a84a8f9e9af22ef42a4ee0ea853a8a1c56dea97159dc10 |
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 | ADxDmqwPIM0+z57a4iq066yOHIMurtXyLKnx4Eo6YlEYf+qn8ogY65HRwyryI1NZl7lzRW2JKUrld+MbAUlACA== |
| 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
| 2026-09-17T11:55:25.094346Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021503observed f5b18cda893597370494804c5acb5e00...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:25.077636Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021503/manifest.jsonobserved f755fb16e5737c8c12a84a8f9e9af22e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:25.059303Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021503/publication.mdobserved f1a01cec9ce580f2ff0d80565ff2e4e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:25.039404Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021503/publication.txtobserved f5fe7c71ab16501e41ec7172d92477dd...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. |
|---|