OT-2026-000075223
Publication integrity record
Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000075223) never changes.
Identity and time
| Publication number | OT-2026-000075223 · never reused |
|---|---|
| Internal UUID | 01a0ae93-f200-72c0-85aa-3b8f7bd263a9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:26.476108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075223 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7ba583388037f103db18c160aacdff779fe8b6be820dbff5a3102b498241634e |
|---|---|
| Markdown | 8b794684bb20bcd16d92dec0abbfe5d82c16c690dd5be14be31e9602b54983ad |
| Publication page | a3e99c00c290822dc7ca8efafaab64e23bff19525ef65e406e93c00e720f7cc6 |
| Manifest | e9bf55e3599896c731fb790862362d1a7b9f9e913e93a47396688a5eb6250d2d |
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 | 2IRSV8a2dQTDrjWb5w9/fDYT1qpJ3r+oqMT/kfocN6SvT7OLKa5cqwrDVXnbtT0iZDbOOFOtkC9F5tUzuv/EDg== |
| 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
| 2026-09-17T10:20:30.302073Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075223observed a3e99c00c290822dc7ca8efafaab64e2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:20:30.279628Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075223/manifest.jsonobserved e9bf55e3599896c731fb790862362d1a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:20:30.259968Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075223/publication.mdobserved 8b794684bb20bcd16d92dec0abbfe5d8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:20:30.239677Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075223/publication.txtobserved 7ba583388037f103db18c160aacdff77...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:16:45.225690Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075223observed a3e99c00c290822dc7ca8efafaab64e2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:16:45.206857Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075223/manifest.jsonobserved e9bf55e3599896c731fb790862362d1a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:16:45.061829Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075223/publication.mdobserved 8b794684bb20bcd16d92dec0abbfe5d8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:16:45.044261Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075223/publication.txtobserved 7ba583388037f103db18c160aacdff77...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. |
|---|