OT-2026-000004802
Publication integrity record
Vacuum cup gripper, per zone isolation, plant vacuum fed, pressure verified, contact triggered, rubber 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-2026-000004802) never changes.
Identity and time
| Publication number | OT-2026-000004802 · never reused |
|---|---|
| Internal UUID | 01a0a923-cf04-7a24-8c5b-2c3b7ee9b422 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:34:51.399729Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004802 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5a95f2dea39492861950b490fc6e09b4e69ca5e561cee21df4872d20f83c511d |
|---|---|
| Markdown | ce66b8319576e92f765e90bbaff915b8be19e10e79de7907ebb9a0c0e95a3324 |
| Publication page | de97f883c03b087179949d7405bb530d0b095cdaad1999858cb064ea085cb5eb |
| Manifest | 0d92118891b8f7a4b13f3c769c9149b281fc1b02914554c54fc416dd2b370cb4 |
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 | dw5b9HVOj1H0icMpwbCMggIcYX+NmSSAPeE4H2qWK/T1bBBjQ9G11xjm9Oz8V9tWxDhAIzTjJZCwoIV5/RiAAA== |
| 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
| 2026-09-16T07:40:17.454144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004802observed de97f883c03b087179949d7405bb530d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:17.441145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004802/manifest.jsonobserved 0d92118891b8f7a4b13f3c769c9149b2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:17.426277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004802/publication.mdobserved ce66b8319576e92f765e90bbaff915b8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:17.413879Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004802/publication.txtobserved 5a95f2dea39492861950b490fc6e09b4...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. |
|---|