OT-2026-000007981
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, sustained 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-2026-000007981) never changes.
Identity and time
| Publication number | OT-2026-000007981 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-908b-7a9d-872f-5c93dc9a6244 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:10:14.564317Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007981 |
| Status | PUBLIC |
Content hashes
| Canonical text | 26cf1c07d291ade0d89501038f9ef39ab9963be8ecdf9f7f552228d502aae780 |
|---|---|
| Markdown | 8920fa68d8b6eeb24a110f46e753372886ff90a95977da82d77360338f412091 |
| Publication page | fae005c87459f6a7fdf301792834e1beabc00dba0bfa50d1f26e84710973f7fa |
| Manifest | 3709ee2bcaa3a8e6652a3189472e8c75522ef07f0d40eb3fa982e72eabaaf57d |
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 | UvzK0Ze6Ycd1SN9s3+qEp9AD5MoQSdJ1irWp2ZgdOBExno8uYT3zivZMUxIB1WnizL/7PIFq6hT4OkI7dXWICg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-09-17T12:20:31.490408Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007981observed fae005c87459f6a7fdf301792834e1be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:20:31.472146Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007981/manifest.jsonobserved 3709ee2bcaa3a8e6652a3189472e8c75...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:31.455110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007981/publication.mdobserved 8920fa68d8b6eeb24a110f46e7533728...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:31.435620Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007981/publication.txtobserved 26cf1c07d291ade0d89501038f9ef39a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:07.527681Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007981observed fae005c87459f6a7fdf301792834e1be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:07.507762Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007981/manifest.jsonobserved 3709ee2bcaa3a8e6652a3189472e8c75...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:07.483584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007981/publication.mdobserved 8920fa68d8b6eeb24a110f46e7533728...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:07.465805Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007981/publication.txtobserved 26cf1c07d291ade0d89501038f9ef39a...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. |
|---|