OT-2026-000005488
Publication integrity record
Porous face vacuum gripper, two outlet manifold, two stage ejector, contact triggered on the face
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-2026-000005488) never changes.
Identity and time
| Publication number | OT-2026-000005488 · never reused |
|---|---|
| Internal UUID | 01a0a93a-965a-77b3-a640-2cca80d7df5b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:59:44.220684Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005488 |
| Status | PUBLIC |
Content hashes
| Canonical text | 073cb5dab51f3b4dbde863652f3afa32bfd0ddb1e429c3e6882476ffffce1883 |
|---|---|
| Markdown | 9090277b070a28e9624caa2a4267dc2ea269717f84323d2dbaaffdfdc7a6aaa7 |
| Publication page | 44303c06832ef727f8c5439018f0a428d1ff18a750fe21e096e2dd5a6295077a |
| Manifest | 95bf322738050b99eb53b3813dc31f6b6c260fd6e254235763f5f6121d59e282 |
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 | KkOZHFewXZ5vXLfluN36s7uWOOfOiBTfHpsI5lOffZd2ntVvh5LAoDnsxJz4TEnvjIVr1GWNAKLrF69+C+gaAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:45:03.404585Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005488observed 44303c06832ef727f8c5439018f0a428...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:45:02.906028Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005488/manifest.jsonobserved 95bf322738050b99eb53b3813dc31f6b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:45:02.434495Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005488/publication.mdobserved 9090277b070a28e9624caa2a4267dc2e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:45:02.149845Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005488/publication.txtobserved 073cb5dab51f3b4dbde863652f3afa32...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:03.379162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005488observed 44303c06832ef727f8c5439018f0a428...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:03.243667Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005488/manifest.jsonobserved 95bf322738050b99eb53b3813dc31f6b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:03.229860Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005488/publication.mdobserved 9090277b070a28e9624caa2a4267dc2e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:03.216741Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005488/publication.txtobserved 073cb5dab51f3b4dbde863652f3afa32...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. |
|---|