OT-2026-000042430
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, pump fed, sustained blow-off 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-2026-000042430) never changes.
Identity and time
| Publication number | OT-2026-000042430 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d75-707f-b5d8-f9ffed9922f6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042430 |
| Status | PUBLIC |
Content hashes
| Canonical text | 42906b4eede2643d259c32f4e8f830b6290592892e5879da2be63e78054a6f1e |
|---|---|
| Markdown | be40a00ad843aa701df50e6371c1462edc39cf972eed2f839f6e619fffa35a4e |
| Publication page | e8ec3dcc1e863264bf5143ce8cce63a842381925e3e6e94cf9f4846bfc93638c |
| Manifest | eb4480a6afcfc2ebcb8ee3367a3aee6626c193fab4c9b6fa60a406b41c463bb7 |
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 | WOdUeg/g5JtEn6wSt+K37O2zBNEbeWNjUkJgwIeBh/zohcFpqHI9IApylfutge7oqwMFhr+IKfvObnKRo5ZWAg== |
| 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
| 2026-10-16T04:23:23.983702Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042430observed e8ec3dcc1e863264bf5143ce8cce63a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-16T04:23:23.969690Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042430/manifest.jsonobserved eb4480a6afcfc2ebcb8ee3367a3aee66...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-16T04:23:23.951934Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042430/publication.mdobserved be40a00ad843aa701df50e6371c1462e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-16T04:23:23.774909Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042430/publication.txtobserved 42906b4eede2643d259c32f4e8f830b6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-08T12:41:25.415569Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042430observed e8ec3dcc1e863264bf5143ce8cce63a8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T12:41:25.327732Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042430/manifest.jsonobserved eb4480a6afcfc2ebcb8ee3367a3aee66...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T12:41:25.243861Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042430/publication.mdobserved be40a00ad843aa701df50e6371c1462e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T12:41:25.097790Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042430/publication.txtobserved 42906b4eede2643d259c32f4e8f830b6...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 |
|---|