OT-2026-000078942
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, vented after set-down
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-2026-000078942) never changes.
Identity and time
| Publication number | OT-2026-000078942 · never reused |
|---|---|
| Internal UUID | 01a0ae95-ccbe-7041-8481-1a4538e6a53e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:28.017032Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078942 |
| Status | PUBLIC |
Content hashes
| Canonical text | 28bb04b383957752aff03d88f9cdc75f9daf6eb55b4bf725272397e6dd46d48d |
|---|---|
| Markdown | 26d8cd0da39d425ced87b583222dfbb68bb06200c2353fe2126d949aab1c30e5 |
| Publication page | c933df8fb301b18e29d865f4a48aa690bced1fd8251c177c3c9b1e9fe2dddde8 |
| Manifest | 05d05505759181237765b1e39c21d75a337b838cd2f197ec5865b1e4385aaf3e |
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 | L2XOT5blnDPVelTKFi8aTdg1XK1yIBRa4FEpxIGvIPhQLNZ4i5bcoGWnbJTsYIjpZrpI62EssTtkdU/h1LroCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:05:45.978430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078942observed c933df8fb301b18e29d865f4a48aa690...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:05:45.960310Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078942/manifest.jsonobserved 05d05505759181237765b1e39c21d75a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:45.939430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078942/publication.mdobserved 26d8cd0da39d425ced87b583222dfbb6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:45.921909Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078942/publication.txtobserved 28bb04b383957752aff03d88f9cdc75f...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. |
|---|