OT-2026-000020816
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000020816) never changes.
Identity and time
| Publication number | OT-2026-000020816 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-747a-9228-8ec05e9f6b59 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020816 |
| Status | PUBLIC |
Content hashes
| Canonical text | 424097eb41dc7fa38e6063f2c4aa4d1d7de8e740dc781f11a0efba0ffeaa91aa |
|---|---|
| Markdown | b7a5198066ca3a6df392cf4ae9571d316e83c3e3fbe32decb95a5d341722e7e6 |
| Publication page | 5df5bda7ddf47c6c2fedd9925b848bedf05ebeed0a5c739e762b994cb6b50ae2 |
| Manifest | 981ab1a7914115e9f4728d5bed27a1808beb4d5ba1ddacac8f5ea39ac999110e |
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 | odsWgcUk15+9slJWCVeCxqMSnDb8CvN94oLGGVxbt4YqNP7TytcTgOuYH2W/JIw7HJKX60ApzO9idtg/p+gXAg== |
| 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
| 2026-09-17T11:55:54.453071Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020816observed 5df5bda7ddf47c6c2fedd9925b848bed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:54.435200Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020816/manifest.jsonobserved 981ab1a7914115e9f4728d5bed27a180...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:54.418698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020816/publication.mdobserved b7a5198066ca3a6df392cf4ae9571d31...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:54.399892Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020816/publication.txtobserved 424097eb41dc7fa38e6063f2c4aa4d1d...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. |
|---|