OT-2026-000029879
Publication integrity record
Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000029879) never changes.
Identity and time
| Publication number | OT-2026-000029879 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac47-79c4-a3ed-2444d5a4f71a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029879 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2f41a5fb4b4ff91303a24c75632eb2fc39f2e15a4ab29699fbe8893082db93be |
|---|---|
| Markdown | 35bbf2549b465b81d4e5c2555da133f04588a02877764f02cd33650174b9e46e |
| Publication page | 2e8ffe1cdd4a7f67f4e0a4b19ae4bbfc5cfc0b2bc0f8565916afdffc778b38fe |
| Manifest | 65b13a088208f3f409a15f5ddfc72bd7fb0684281997860df11989a8ab46ee82 |
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 | pEweIz5J93HO+nZPQ0+U7hNP5lEGe8OTff/ojoO4YRfc8aqPdMuvWe2rDmte+F3kmA5AvraONyUcQfQr43NzBg== |
| 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
| 2026-09-17T11:38:34.610803Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029879observed 2e8ffe1cdd4a7f67f4e0a4b19ae4bbfc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:34.594396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029879/manifest.jsonobserved 65b13a088208f3f409a15f5ddfc72bd7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:34.573192Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029879/publication.mdobserved 35bbf2549b465b81d4e5c2555da133f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:34.555635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029879/publication.txtobserved 2f41a5fb4b4ff91303a24c75632eb2fc...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. |
|---|