OT-2026-000020347
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, single 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-2026-000020347) never changes.
Identity and time
| Publication number | OT-2026-000020347 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-70de-9118-0dc8c0352b05 · 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-2026-000020347 |
| Status | PUBLIC |
Content hashes
| Canonical text | a4faaa535acf60198397afa9451e455ef76a343f69a054949dd0536d5df85a69 |
|---|---|
| Markdown | e8e76798ed99a2c8f16e6660d54cef50b88c3923ddd64b799449cdabc3b39fd3 |
| Publication page | e8db7764d004f5a8d807346530cfa3968602ee8d2b9feb9cff98395d3343290e |
| Manifest | 72560b9f1d5b4ec366e6b75c9d8e8ec7280ce679acb7811ed5208770cb5872b0 |
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 | TT9luh/k0J5nBf/UmIlSAX2sCvpnDI8ABvXBr+hoGZaLDzDt+xMBZmYOyNKGIw2nQEFS9CzP3Xsr8YlX5dvwAw== |
| 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
| 2026-09-17T12:00:07.981680Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020347observed e8db7764d004f5a8d807346530cfa396...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:07.956265Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020347/manifest.jsonobserved 72560b9f1d5b4ec366e6b75c9d8e8ec7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:07.935528Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020347/publication.mdobserved e8e76798ed99a2c8f16e6660d54cef50...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:07.914677Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020347/publication.txtobserved a4faaa535acf60198397afa9451e455e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:18.290507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020347observed e8db7764d004f5a8d807346530cfa396...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:18.271979Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020347/manifest.jsonobserved 72560b9f1d5b4ec366e6b75c9d8e8ec7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:18.252408Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020347/publication.mdobserved e8e76798ed99a2c8f16e6660d54cef50...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:18.231873Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020347/publication.txtobserved a4faaa535acf60198397afa9451e455e...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. |
|---|