OT-2026-000004525
Publication integrity record
Porous face vacuum gripper, three zone face, pump fed, pressure verified, 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-2026-000004525) never changes.
Identity and time
| Publication number | OT-2026-000004525 · never reused |
|---|---|
| Internal UUID | 01a0a91a-df58-74fa-bfdb-a6b92437e2c0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:25:05.868746Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004525 |
| Status | PUBLIC |
Content hashes
| Canonical text | c9402f66222e796d4dd6a6fb8c4316aa4b9baa7dc2a555785dc7babeaedde74f |
|---|---|
| Markdown | f8a51ee1343c59d8d8bea36e176dbd127d2fc18f0c4963a195e7e27e56e2adab |
| Publication page | cf7048de26559502df74ea36db6d04a045b1aa6adca9bad19260ce455411a890 |
| Manifest | 9eea5def8b540eb28a7c421d954e0d9ebbcf1e1dc90f6d7085712599a5e55f9a |
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 | rzby1jpMC/jhuWNdrPhVtI5I5Wk0BXD3F4dMHYv/QWDKcIb4fHhW+bofA+/xwZHdiSEv5IvBpqkqvjrbo7reAg== |
| 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
| 2026-09-16T07:30:18.410860Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004525observed cf7048de26559502df74ea36db6d04a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:18.399130Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004525/manifest.jsonobserved 9eea5def8b540eb28a7c421d954e0d9e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:18.385489Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004525/publication.mdobserved f8a51ee1343c59d8d8bea36e176dbd12...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:18.372008Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004525/publication.txtobserved c9402f66222e796d4dd6a6fb8c4316aa...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. |
|---|