OT-2026-000028481
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000028481) never changes.
Identity and time
| Publication number | OT-2026-000028481 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f7-7b7b-a3a0-baa8ec0afbc6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028481 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0f47a92cae5466a02b11d7389280a737633356c87bc6d4be2cd15fe446d540dc |
|---|---|
| Markdown | 4981904c12b749e261ba473f8c89d58b209ac237545f9c59393d51681e3bcdcb |
| Publication page | d94b26a33c83d543d832c0746278471dacde181da0463f527c974be41d694a4e |
| Manifest | b9ef5bb37d7e3a2294fda7a91f810a447a81b9c0acaa9bf684b80fcf146168ae |
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 | gkUEUUOp5/f7P72EqamDNyB8smWP7TM9hxPw+gjfDbfVSTAkjmdVfSCUfVHC6jsSuQByl2/aLenYn3nwnj9VCA== |
| 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
| 2026-09-17T11:40:37.834157Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028481observed d94b26a33c83d543d832c0746278471d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:37.804067Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028481/manifest.jsonobserved b9ef5bb37d7e3a2294fda7a91f810a44...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:37.781941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028481/publication.mdobserved 4981904c12b749e261ba473f8c89d58b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:37.762807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028481/publication.txtobserved 0f47a92cae5466a02b11d7389280a737...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. |
|---|