OT-2026-000078020
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, vented after 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-2026-000078020) never changes.
Identity and time
| Publication number | OT-2026-000078020 · never reused |
|---|---|
| Internal UUID | 01a0ae95-2f44-7c41-8beb-7c9ac632b8e7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:47.703064Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078020 |
| Status | PUBLIC |
Content hashes
| Canonical text | f681ba04200563ec1d7aeea985b5d25c192d275b994ac86d9f7777c6aee01d57 |
|---|---|
| Markdown | 71658be1a1bcad23cab98eb1a03f1855f0ef62e6701fca5a263586c0d5508e34 |
| Publication page | 1be1f0edc53ab439b4e38e8e9802739c057233e7961403b157d1f2e6b33a9816 |
| Manifest | 9803261070f8090b8bb2711b4a6955e0107b9ddacdfa01733fc593c6851ce5ff |
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 | VHYoL7cZy2dm9rGBqiYxGi7O3Z4N2qMBg/qIjwb3o0LTFKgXoWSmC2vrQk8GfteeCq8PE+Z46LXRWdHgEnQmDA== |
| 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
| 2026-09-17T10:10:32.044622Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078020observed 1be1f0edc53ab439b4e38e8e9802739c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:10:32.021704Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078020/manifest.jsonobserved 9803261070f8090b8bb2711b4a6955e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:31.999274Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078020/publication.mdobserved 71658be1a1bcad23cab98eb1a03f1855...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:31.978354Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078020/publication.txtobserved f681ba04200563ec1d7aeea985b5d25c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:18.592508Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078020observed 1be1f0edc53ab439b4e38e8e9802739c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:18.573535Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078020/manifest.jsonobserved 9803261070f8090b8bb2711b4a6955e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:18.554437Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078020/publication.mdobserved 71658be1a1bcad23cab98eb1a03f1855...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:18.535791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078020/publication.txtobserved f681ba04200563ec1d7aeea985b5d25c...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. |
|---|