OT-2026-000021177
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000021177) never changes.
Identity and time
| Publication number | OT-2026-000021177 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865b-70b5-b2a6-ff8dd2a17af4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021177 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9cb54b5221e3059c6f76e3e83f41ddfe82fda5b91536f63923bdbdf055291226 |
|---|---|
| Markdown | 6907f0f4889da7c0de186ed5c3cbbda2e0f302d5cfd506c843e14376bf8fa03b |
| Publication page | 05409d593a22f4e3c08418f3cbd84f1ad500d052a550d720f1ac3fd72187c0fc |
| Manifest | 7cdb8debc2a4322405a9ea47e67b3b177d8e6fa9bd9267d8068fd3db4b626d28 |
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 | iArvx7NoPK5Iui8ZVHT6hj0bbMDdUc2rNAk0l18H1trZ3g1+nfH/p49oh82G9FTFk/+EQZo+E4Kzj6Fam5M9Bg== |
| 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
| 2026-09-17T11:54:57.546634Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021177observed 05409d593a22f4e3c08418f3cbd84f1a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:57.519202Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021177/manifest.jsonobserved 7cdb8debc2a4322405a9ea47e67b3b17...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:57.492230Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021177/publication.mdobserved 6907f0f4889da7c0de186ed5c3cbbda2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:57.469941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021177/publication.txtobserved 9cb54b5221e3059c6f76e3e83f41ddfe...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. |
|---|