OT-2026-000028907
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000028907) never changes.
Identity and time
| Publication number | OT-2026-000028907 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-730f-87b6-a23723f852ce · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028907 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1940fe4939c4d13b7ee657419021ab8b5ce8287ec743634048b6258f25835bf0 |
|---|---|
| Markdown | c0165c50491838489034c12b92ca88fa57adc50e5aa5698ff36ad9f3d50774a2 |
| Publication page | a90207b2d1fb9730507f32f024c32d53eb8c282d099a586f1ca421bb208252f9 |
| Manifest | 63d481ae9f3ebcee4d38a0b861b35f9635c5710ec901212010a2c75725bcb528 |
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 | faPMsjuHEFM18WpNE19B8xMwKNoJxG1Q6JENyn9quDYshT2uNDbG13LqoyERHyTSIhY9cI/48vr8iZchjvG4Dg== |
| 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
| 2026-09-17T08:20:18.442913Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028907observed a90207b2d1fb9730507f32f024c32d53...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:18.286987Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028907/manifest.jsonobserved 63d481ae9f3ebcee4d38a0b861b35f96...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:18.268769Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028907/publication.mdobserved c0165c50491838489034c12b92ca88fa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:18.250756Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028907/publication.txtobserved 1940fe4939c4d13b7ee657419021ab8b...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. |
|---|