OT-2026-000019440
Publication integrity record
Two bellows cup vacuum gripper, two 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-2026-000019440) never changes.
Identity and time
| Publication number | OT-2026-000019440 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-75a6-8af7-2d8735ff28ee · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019440 |
| Status | PUBLIC |
Content hashes
| Canonical text | ea25f7fd371e37d39a6d2e17b88bf614e248353b803d09c187b6f9014e20e9ac |
|---|---|
| Markdown | da1f13dfdeb46fc7dcc10707a60e5bd437e14cb41eee35fbec2aa545868acda5 |
| Publication page | 50fa9a7d026413e6e6973403c93ede316046a494019f4d7766041eacd7ce6e1d |
| Manifest | 13c442481068e47d40c349d9a9cb7d9feea095ad8a9267819d70b7a4d6ce1035 |
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 | B/Z7cESyCNFtMbUOVxWOpayXcI7N+7JhVNaZvwSv3FfxkZ/MgJCPPWJ694cu4U5c2bb2/WEtbhJ0IDkvDulLCA== |
| 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
| 2026-09-17T11:58:50.238000Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019440observed 50fa9a7d026413e6e6973403c93ede31...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:50.219976Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019440/manifest.jsonobserved 13c442481068e47d40c349d9a9cb7d9f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:50.200221Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019440/publication.mdobserved da1f13dfdeb46fc7dcc10707a60e5bd4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:50.180601Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019440/publication.txtobserved ea25f7fd371e37d39a6d2e17b88bf614...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. |
|---|