OT-2026-000019888
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer
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-2026-000019888) never changes.
Identity and time
| Publication number | OT-2026-000019888 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb6-72a3-9feb-d143d3618342 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019888 |
| Status | PUBLIC |
Content hashes
| Canonical text | 38b1183cdcf1d867e3978cd91d4bf8902f13fed3aaa738f232f0510c2aa8b310 |
|---|---|
| Markdown | d2b1832ff9f2376df120f54468fb4de20efbbdb6d0942b5b85d1f111eb66f525 |
| Publication page | 789d46a78f2b7706d58b74aac0ca0049e590c5600c2d4bc9663b1e7d7c8f5364 |
| Manifest | 25a0d9af82c82a8f26f62ebbcb6b62b916103d93d9a62c59f5071754d2db2ca9 |
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 | uBIn4Fm+7WSJ5g3rxgK6LQMPflVvnGSjgyLE9blaqFVBnS9m1P1Z2XxheeuWmrh1H5Q3ZXSlMbA9pSEipirlCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:58:05.688483Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019888observed 789d46a78f2b7706d58b74aac0ca0049...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:05.669355Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019888/manifest.jsonobserved 25a0d9af82c82a8f26f62ebbcb6b62b9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:05.649102Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019888/publication.mdobserved d2b1832ff9f2376df120f54468fb4de2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:05.629861Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019888/publication.txtobserved 38b1183cdcf1d867e3978cd91d4bf890...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. |
|---|