OT-2026-000005237
Publication integrity record
Porous face vacuum gripper, two outlet manifold, pump fed, pressure verified
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-2026-000005237) never changes.
Identity and time
| Publication number | OT-2026-000005237 · never reused |
|---|---|
| Internal UUID | 01a0a932-6359-7969-9584-1d2c63db6ec1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:50:46.875652Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005237 |
| Status | PUBLIC |
Content hashes
| Canonical text | ef02277e918ea5c177053f0941f0dc6911b9c6ff3cf692fadaced314ad94f4ee |
|---|---|
| Markdown | c95345c35a5cd3f859c2e41a1f730ef8797fb14ec0d846c6bdfcdf8ff527d39e |
| Publication page | 97cd7938cc951528fd5f11a6ee0623adf4be903f5b047c4cf9fa046c6173ca68 |
| Manifest | 6643420bcc4d6b74f8705f3876bacfe049351d656b62070c132c125b590b02c1 |
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 | zrzdb+1Li4B8YwGqTHyM5z2GGft5JZ0eDA9au8tbPo3baqlXYtK8kCFlHxjOXPU4PLwQcfib/ACfFHrzZIJkDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-29T04:23:31.372370Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005237observed 97cd7938cc951528fd5f11a6ee0623ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-29T04:23:31.361224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005237/manifest.jsonobserved 6643420bcc4d6b74f8705f3876bacfe0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:23:31.348297Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005237/publication.mdobserved c95345c35a5cd3f859c2e41a1f730ef8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-29T04:23:31.225736Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005237/publication.txtobserved ef02277e918ea5c177053f0941f0dc69...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-27T04:23:06.899310Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005237observed 97cd7938cc951528fd5f11a6ee0623ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-27T04:23:06.886695Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005237/manifest.jsonobserved 6643420bcc4d6b74f8705f3876bacfe0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-27T04:23:06.873151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005237/publication.mdobserved c95345c35a5cd3f859c2e41a1f730ef8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-27T04:23:06.769598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005237/publication.txtobserved ef02277e918ea5c177053f0941f0dc69...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 |
|---|