OT-2026-000004570
Publication integrity record
Porous face vacuum gripper, common isolation valve, two outlet manifold, two stage ejector
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-2026-000004570) never changes.
Identity and time
| Publication number | OT-2026-000004570 · never reused |
|---|---|
| Internal UUID | 01a0a91c-4968-763a-bd29-d0faa697ef69 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:26:38.444176Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004570 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8296e2a7635b0a21b7c26b834fb49e8d283a0d41d92838e9f57374a34d05095d |
|---|---|
| Markdown | 7b62bcfd3d91e7d11844348b17a5c5fa60638e9f8fc5655278db22c59d38af9c |
| Publication page | 8b9f9bd6c91e10340a92d3298693dc4fe748ba4b474f8597f3cb78285b5594ac |
| Manifest | f91da526313416e7593f09958acc72659f9b862b4df839f4ad17d4cc1518675b |
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 | cVuK7AuOXJHJzknqVB5RZSD6cBzp3QK2NS0nIYIkKpRaAh/TaOjcgsInAnH8IoMjzllZW3u3jmKppj8yj5BwDg== |
| 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
| 2026-09-16T07:30:13.714144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004570observed 8b9f9bd6c91e10340a92d3298693dc4f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:13.700414Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004570/manifest.jsonobserved f91da526313416e7593f09958acc7265...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:13.686679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004570/publication.mdobserved 7b62bcfd3d91e7d11844348b17a5c5fa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:13.675217Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004570/publication.txtobserved 8296e2a7635b0a21b7c26b834fb49e8d...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. |
|---|