OT-2026-000004358
Publication integrity record
Porous face vacuum gripper, common isolation valve, four outlet manifold, pump fed
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-2026-000004358) never changes.
Identity and time
| Publication number | OT-2026-000004358 · never reused |
|---|---|
| Internal UUID | 01a0a915-147d-7087-b692-e15b7300a3d4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:18:46.144521Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004358 |
| Status | PUBLIC |
Content hashes
| Canonical text | 909f4aad83d7e5cc68e3c5dd0b29e484dd14f197b0f36920550cd2082874582f |
|---|---|
| Markdown | 5c08648f9fb6357fc5fab16a2e8faad607dcd84a0abbc2c14e8eaba2ac4a27e0 |
| Publication page | 6399bff1355ff3d3cd9959b6762621222cd95a2df041581e23b2914ef32ec290 |
| Manifest | 1f89ae3f0a9694240779d80e0e120f65022d77bfca76e7a5da26cbfaf069f343 |
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 | pfTEQ9nnH316VMkDZ+vLmJci+e4f4L5zmkKVtGturQ9zkEzuV6nlluyRiI+hc9LoSyQvqXP0IM9yFG52fRBBDQ== |
| 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
| 2026-09-16T07:20:06.937202Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004358observed 6399bff1355ff3d3cd9959b676262122...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:06.924194Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004358/manifest.jsonobserved 1f89ae3f0a9694240779d80e0e120f65...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:06.911699Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004358/publication.mdobserved 5c08648f9fb6357fc5fab16a2e8faad6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:06.898807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004358/publication.txtobserved 909f4aad83d7e5cc68e3c5dd0b29e484...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. |
|---|