OT-2026-000050169
Publication integrity record
Single cup vacuum gripper, plant vacuum fed, vented 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-2026-000050169) never changes.
Identity and time
| Publication number | OT-2026-000050169 · never reused |
|---|---|
| Internal UUID | 01a0ae82-5c45-7abe-97c9-ad8489940be3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:36:14.042293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000050169 |
| Status | PUBLIC |
Content hashes
| Canonical text | 44fed67960ac44be2ce4f362f7e9aee8f8fdf47b139e75bb22e6ab015cc1d185 |
|---|---|
| Markdown | 1980dc9edbafe6167083feb96d18f0c2295e8d77649278202abae3ce8652185d |
| Publication page | c795dcc034f178050e67114ad75c48b90aa022df8dd57ef21a72f32d7ba5fc43 |
| Manifest | 061253c72771121abc48179961c08873c9bdd029bfedfe77f48b4de5daf080f5 |
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 | qSrYOU/dNMZF5kBbM9C8ceO3fp+xwmOWHLUF37BERYIotvgHf9yo7DkMPq3yOnmzz4Me6S0cD1T+YSZe9QZNAw== |
| 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
| 2026-09-17T11:01:08.892605Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050169observed c795dcc034f178050e67114ad75c48b9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:01:08.872886Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050169/manifest.jsonobserved 061253c72771121abc48179961c08873...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:08.851703Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050169/publication.mdobserved 1980dc9edbafe6167083feb96d18f0c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:08.831307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050169/publication.txtobserved 44fed67960ac44be2ce4f362f7e9aee8...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. |
|---|