OT-2026-000025122
Publication integrity record
Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000025122) never changes.
Identity and time
| Publication number | OT-2026-000025122 · never reused |
|---|---|
| Internal UUID | 01a0ae71-5fa5-7578-a849-8a9e2f739577 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:17:40.790954Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000025122 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8b50c7f85c887993957e7cbec6d3cdd8c869a6abaf5db1e3296ba2d986a28d17 |
|---|---|
| Markdown | 9992a709f5c56bcd908d70944d0de1ad48024d1fa6826045e6b2a74548dc3c17 |
| Publication page | 8141cb4705062ffa771da4b5b822d54bac914f600fdb62e58298f282d26a201d |
| Manifest | 9477749faa23687a5b77b30ca7047f2b9dd520f94ccf68c929ae71ae75193751 |
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 | s+51d/4q0WuEqPxQH8ggSzD2EZYQZBDyN34MWZf+WwGfetge6ZfQe+rQGLjRFoT0stOr6QWiLKyi6OgmmUHKAQ== |
| 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... |
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Independent retrieval
| 2026-10-15T00:41:57.584417Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025122observed 8141cb4705062ffa771da4b5b822d54b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-15T00:41:57.495909Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025122/manifest.jsonobserved 9477749faa23687a5b77b30ca7047f2b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T00:41:57.447013Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025122/publication.mdobserved 9992a709f5c56bcd908d70944d0de1ad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T00:41:57.289551Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025122/publication.txtobserved 8b50c7f85c887993957e7cbec6d3cdd8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:41:50.395313Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025122observed 8141cb4705062ffa771da4b5b822d54b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:41:50.293041Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025122/manifest.jsonobserved 9477749faa23687a5b77b30ca7047f2b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:41:50.109948Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025122/publication.mdobserved 9992a709f5c56bcd908d70944d0de1ad...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:41:49.899832Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000025122/publication.txtobserved 8b50c7f85c887993957e7cbec6d3cdd8...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|