OT-2026-000004165
Publication integrity record
Porous face vacuum gripper, two zone face, four 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-2026-000004165) never changes.
Identity and time
| Publication number | OT-2026-000004165 · never reused |
|---|---|
| Internal UUID | 01a0a90f-c549-7056-8ed0-677f38979db7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:58.188524Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004165 |
| Status | PUBLIC |
Content hashes
| Canonical text | cff31e3eec58f70f8065bd0b1ce3cee8d7ce2ed5728070587aa38e99d00b374b |
|---|---|
| Markdown | b987ab6d0f87846c521c9bb9e0a91bc180fd86d1d973431a9907395ed8014462 |
| Publication page | 1ae2de439b22604c62d0d58edb33c76598e5aa718cc1a75f7bab5863fdfeb782 |
| Manifest | 32e2edef09fce4a61ca2f96880f8423926ca5720c96dc4800046d9fcc00954c7 |
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 | roQYGmgl6LEgCD32DygZakzAkCZl3eSdjDodDWfwq8KZr/zOOrjEqgOw8LhhFOS7XrRrAyTMnPFWRjAnyiMdDg== |
| 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
| 2026-09-16T07:20:28.994235Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004165observed 1ae2de439b22604c62d0d58edb33c765...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:28.980445Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004165/manifest.jsonobserved 32e2edef09fce4a61ca2f96880f84239...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:28.965665Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004165/publication.mdobserved b987ab6d0f87846c521c9bb9e0a91bc1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:28.951873Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004165/publication.txtobserved cff31e3eec58f70f8065bd0b1ce3cee8...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. |
|---|