OT-2026-000004646
Publication integrity record
Vacuum cup gripper, two stage ejector, pressure verified at each zone, contact triggered, polyurethane cups
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-2026-000004646) never changes.
Identity and time
| Publication number | OT-2026-000004646 · never reused |
|---|---|
| Internal UUID | 01a0a91e-bf4e-7478-83b5-ebfd76870128 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:29:19.696892Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004646 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4f993f833a42431ccfa99a204abd7c2eb60417c8fb5753bf87e2b84ac6a17466 |
|---|---|
| Markdown | dee159c7d9b84e2e9a0f92881d4e00c37400fe14e408099cedc0f8b9805192a3 |
| Publication page | cb35f9a1067cac3f04b35dfe63d348131d96b9278276961a3b9d760ac819c10e |
| Manifest | b74d1778b5ff71a3e0752c1fc2749f865a891aea5a8ad69842924b3df4194fa7 |
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 | mPoU6iYUARIESUMI0StQzugWgnednZxlpP4GoISvowUgFnYiPebfLpg1HBgwQ6afVJgzr0IiDQ9WJNPfPcCXCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:30:05.241384Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004646observed cb35f9a1067cac3f04b35dfe63d34813...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:05.224280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004646/manifest.jsonobserved b74d1778b5ff71a3e0752c1fc2749f86...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:05.210769Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004646/publication.mdobserved dee159c7d9b84e2e9a0f92881d4e00c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:05.195054Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004646/publication.txtobserved 4f993f833a42431ccfa99a204abd7c2e...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. |
|---|