OT-2026-000020471
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, two 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-2026-000020471) never changes.
Identity and time
| Publication number | OT-2026-000020471 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-7946-966b-4820eec9cba3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020471 |
| Status | PUBLIC |
Content hashes
| Canonical text | 642603ee69195c99e2893c18e790519bb02d1281ebfdff22644ec32c1b803af4 |
|---|---|
| Markdown | b8394d6b118abe8a8af952bed7f3134a3207e8d473f78f8b28575a0015b91f06 |
| Publication page | c857c82d1d3683651b4b8884e68110b9a3fe20c29ec1ab76336773b2fd8a6145 |
| Manifest | 051593120f534e51d03e164e4aa71d5a9f8b33e18bb20679a7603948e2812c02 |
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 | 1N08ZW9Cn1Fr5H8hf9ers7mV4ufwhTiivtHV3vqs5LEqeCf93HRXXfZJSlt7u5mfOlMLC3HMi0nOXLgw4AgCCg== |
| 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
| 2026-09-17T12:00:24.550154Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020471observed c857c82d1d3683651b4b8884e68110b9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:24.528623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020471/manifest.jsonobserved 051593120f534e51d03e164e4aa71d5a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:24.506918Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020471/publication.mdobserved b8394d6b118abe8a8af952bed7f3134a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:24.485445Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020471/publication.txtobserved 642603ee69195c99e2893c18e790519b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:28.480519Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020471observed c857c82d1d3683651b4b8884e68110b9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:28.463594Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020471/manifest.jsonobserved 051593120f534e51d03e164e4aa71d5a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:28.444705Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020471/publication.mdobserved b8394d6b118abe8a8af952bed7f3134a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:28.427581Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020471/publication.txtobserved 642603ee69195c99e2893c18e790519b...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. |
|---|