OT-2026-000004188
Publication integrity record
Porous face vacuum gripper, common isolation valve, four outlet manifold, pump fed, 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-2026-000004188) never changes.
Identity and time
| Publication number | OT-2026-000004188 · never reused |
|---|---|
| Internal UUID | 01a0a911-1efc-79e9-941c-1babbca65e8b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:14:26.686653Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004188 |
| Status | PUBLIC |
Content hashes
| Canonical text | ecaf7007102fba1bf6b4c293103cb8a5c27ad80ca572fa900786e814dfcf20b9 |
|---|---|
| Markdown | 56569a31a4d060ae3c41b2ebd8814198c270a14db05466a59516a981aea84c5e |
| Publication page | 4c3a2144001d6a5d00027e013e5871c76e0cad798c3269b4151cc09eec185c14 |
| Manifest | 90eab4a89c6bfdfcd8867a21c50ea5b88493da4507ec8cea97845dbd5139f92e |
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 | WqRWtkm5iTeL/2fDzIpRolg1KVqaPMB2PXJzVfnP5ySlwWqX/np0XrvFm8GWglgb53EWhhNupHmMJyDZSHoODw== |
| 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
| 2026-09-16T07:20:26.222905Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004188observed 4c3a2144001d6a5d00027e013e5871c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:26.209094Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004188/manifest.jsonobserved 90eab4a89c6bfdfcd8867a21c50ea5b8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:26.195951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004188/publication.mdobserved 56569a31a4d060ae3c41b2ebd8814198...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:26.182417Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004188/publication.txtobserved ecaf7007102fba1bf6b4c293103cb8a5...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. |
|---|