OT-2026-000011689
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, 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-2026-000011689) never changes.
Identity and time
| Publication number | OT-2026-000011689 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-1940-75d9-86fa-3629170f17ae · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:00.631271Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000011689 |
| Status | PUBLIC |
Content hashes
| Canonical text | 83629d458eda2eaf9a85562a192ef0a452526453323ad58bc7e1ad89fadbd458 |
|---|---|
| Markdown | e8d72ef39b5ef03bd9d01c68f812dd1f3179bc7503d604adcfa9f694f892ab1f |
| Publication page | 1c40b4b3f29fcb1b4ff938390e9eab9534c60cc6b79fc3f7c377e0589f516509 |
| Manifest | 39c253971736c7de9c83ab5b3f034524a2fae796fd217c9e470d6f7a1dbd56fd |
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 | 2pxjD4k4IeIDPDJSW7o3P20ZQy+GqgP/ArhoHwD0sb7mAVOXOW7/6mMiQKHTSz/HzblJiadIdZap/0ZwqCgqBA== |
| 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
| 2026-11-01T08:41:42.583360Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011689observed 1c40b4b3f29fcb1b4ff938390e9eab95...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-01T08:41:42.536651Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011689/manifest.jsonobserved 39c253971736c7de9c83ab5b3f034524...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T08:41:42.490505Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011689/publication.mdobserved e8d72ef39b5ef03bd9d01c68f812dd1f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T08:41:42.429564Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011689/publication.txtobserved 83629d458eda2eaf9a85562a192ef0a4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:41:56.553430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011689observed 1c40b4b3f29fcb1b4ff938390e9eab95...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:41:56.491986Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011689/manifest.jsonobserved 39c253971736c7de9c83ab5b3f034524...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:41:56.373335Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011689/publication.mdobserved e8d72ef39b5ef03bd9d01c68f812dd1f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T04:41:56.287737Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011689/publication.txtobserved 83629d458eda2eaf9a85562a192ef0a4...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|