OT-2026-000005968
Publication integrity record
Bellows cup vacuum gripper, four zone face, pump fed, pressure verified, contact triggered
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-2026-000005968) never changes.
Identity and time
| Publication number | OT-2026-000005968 · never reused |
|---|---|
| Internal UUID | 01a0a94a-c9d9-7639-9553-2854a65c94d8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:17:25.980262Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005968 |
| Status | PUBLIC |
Content hashes
| Canonical text | 43d89bf680e1950184ec954b515b09a9141c13e0922f8a88574bd03cfe249374 |
|---|---|
| Markdown | 77fe69dc761dd3899fad3bf1bb33d6e821c38ff08fe020a9c2ca7a877ccd53cb |
| Publication page | 0b5dcade2890c24e2cac6f26ca1ab928e7a383c19ac37b348cc3bcadf0f2619e |
| Manifest | 9a5ac6eb0c1bc39eb06587395b19af3325a6d6c64650aa45d7577dadad6b1d05 |
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 | MngYJNPx6JvdwZtJREFZdXcssD7fnZ4ujTDoNxGyvSLatLDgY4WlLGKEtIx/ZHI85RV7Jr5dO0ZWR0U55Ff2DQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:27:03Z batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof root dbe93cb6b2158496df2f60f3b6822537... |
|---|
Independent retrieval
| 2026-09-16T08:41:10.374145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005968observed 0b5dcade2890c24e2cac6f26ca1ab928...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:41:09.390196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005968/manifest.jsonobserved 9a5ac6eb0c1bc39eb06587395b19af33...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:41:08.374369Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005968/publication.mdobserved 77fe69dc761dd3899fad3bf1bb33d6e8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:41:07.672590Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005968/publication.txtobserved 43d89bf680e1950184ec954b515b09a9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:11.473236Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005968observed 0b5dcade2890c24e2cac6f26ca1ab928...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:11.457618Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005968/manifest.jsonobserved 9a5ac6eb0c1bc39eb06587395b19af33...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:11.437483Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005968/publication.mdobserved 77fe69dc761dd3899fad3bf1bb33d6e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:11.421841Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005968/publication.txtobserved 43d89bf680e1950184ec954b515b09a9...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. |
|---|