OT-2026-000013612
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, pulsed blow-off before set-down
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-2026-000013612) never changes.
Identity and time
| Publication number | OT-2026-000013612 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8de8-751f-81cd-6921eb67997b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013612 |
| Status | PUBLIC |
Content hashes
| Canonical text | d2ddab48e59661ed4be7d3ecb62f10ecdf0d542a97b0497485353cf4cbfae04a |
|---|---|
| Markdown | a89e62bcb0ba88b83d8664c949fe11e439b00992dad07437f6ee035197cf8d13 |
| Publication page | 1b732b6c1f2d8ac0688d323e07a3d355c302f7142aa285ba059ffe0d05cc1732 |
| Manifest | ae8efc48dd7bb9ecb07fa4fefe41cf5ab91bdc89b497e34862dcc8b5b40a1240 |
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 | /7LW8W7ndboTJrRFsGpYkGKBnyW0RVep/DOX6X6DhFQYlExEhyoiwrrGj0NdNepXuVsXoGJJb2s0IBW2AHBiCg== |
| 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
| 2026-09-17T12:10:31.343437Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013612observed 1b732b6c1f2d8ac0688d323e07a3d355...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:31.322834Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013612/manifest.jsonobserved ae8efc48dd7bb9ecb07fa4fefe41cf5a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:31.303806Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013612/publication.mdobserved a89e62bcb0ba88b83d8664c949fe11e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:31.283793Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013612/publication.txtobserved d2ddab48e59661ed4be7d3ecb62f10ec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:32.404474Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013612observed 1b732b6c1f2d8ac0688d323e07a3d355...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:32.386237Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013612/manifest.jsonobserved ae8efc48dd7bb9ecb07fa4fefe41cf5a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:32.366178Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013612/publication.mdobserved a89e62bcb0ba88b83d8664c949fe11e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:32.346641Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013612/publication.txtobserved d2ddab48e59661ed4be7d3ecb62f10ec...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. |
|---|