OT-2026-000044248
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000044248) never changes.
Identity and time
| Publication number | OT-2026-000044248 · never reused |
|---|---|
| Internal UUID | 01a0ae7c-39d5-7fa4-be13-9cf28beee7e7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:29:32.012327Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000044248 |
| Status | PUBLIC |
Content hashes
| Canonical text | be3e6da1bf8d6baa01eac31f0fe3e07a1e600362f1ae7d4ad89b50a99c990355 |
|---|---|
| Markdown | 3e95a5b15bbe3b6d96ee1993da628a12926447cb9145772afa911efce9f15cdf |
| Publication page | c2412bfd8522ea4ea55d9a0c9444e87e17dab31644fc494742953ba310af7455 |
| Manifest | 641b5ba6c923977b02c0b4a39fc1d9f57a55a80bc54154670773274db29aa204 |
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 | qH+5gfQ+K9nbDnMskCTAALvopY8utL9yD8mMQl+8/WvXubzbN0pD95bL1KlNvkoT3cG4kn1mH6P8jYzfoigTDg== |
| 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
| 2026-10-05T12:41:47.041344Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044248observed c2412bfd8522ea4ea55d9a0c9444e87e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-05T12:41:46.972765Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044248/manifest.jsonobserved 641b5ba6c923977b02c0b4a39fc1d9f5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T12:41:46.891979Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044248/publication.mdobserved 3e95a5b15bbe3b6d96ee1993da628a12...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T12:41:46.767446Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044248/publication.txtobserved be3e6da1bf8d6baa01eac31f0fe3e07a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:23:45.568145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044248observed c2412bfd8522ea4ea55d9a0c9444e87e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:23:45.550843Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044248/manifest.jsonobserved 641b5ba6c923977b02c0b4a39fc1d9f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:23:45.502852Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044248/publication.mdobserved 3e95a5b15bbe3b6d96ee1993da628a12...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:23:45.406729Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044248/publication.txtobserved be3e6da1bf8d6baa01eac31f0fe3e07a...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
| 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 |
|---|