OT-2026-000004404
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, four outlet manifold, pump fed, contact triggered
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-2026-000004404) never changes.
Identity and time
| Publication number | OT-2026-000004404 · never reused |
|---|---|
| Internal UUID | 01a0a916-8a7b-71bd-ab59-22862aef7492 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:20:21.887064Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004404 |
| Status | PUBLIC |
Content hashes
| Canonical text | ddf8a36e7728614e9b4180516b4947be6c1a3e3263e3144d109df90a46a9d204 |
|---|---|
| Markdown | b3b84343d554c8a390ab103ce87a45685cb265a34afce998b18d54a29111e0ff |
| Publication page | be55d569c2eb789835a578b600adacd6ed4e9eb5e6d2ebcb8f172512b69e06f7 |
| Manifest | 24063bf3e5399b4891d266c2110e8bfd22f0680626b1feffe44b304d571c55f0 |
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 | qe64eYDY+LuAz5puUPh4EzQuLYdkLy3xK+Tsp0WAilbaaPQu3+1vQGcIqmriITSpcyHPCF+PJKAfm7GXZPuAAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-10-23T16:41:52.292343Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004404observed be55d569c2eb789835a578b600adacd6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T16:41:52.246821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004404/manifest.jsonobserved 24063bf3e5399b4891d266c2110e8bfd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T16:41:52.197548Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004404/publication.mdobserved b3b84343d554c8a390ab103ce87a4568...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T16:41:52.097121Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004404/publication.txtobserved ddf8a36e7728614e9b4180516b4947be...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:10.588934Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004404observed be55d569c2eb789835a578b600adacd6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:10.573780Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004404/manifest.jsonobserved 24063bf3e5399b4891d266c2110e8bfd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:10.557626Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004404/publication.mdobserved b3b84343d554c8a390ab103ce87a4568...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:10.543061Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004404/publication.txtobserved ddf8a36e7728614e9b4180516b4947be...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 |
|---|