OT-2026-000020339
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-2026-000020339) never changes.
Identity and time
| Publication number | OT-2026-000020339 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-7f14-9ca2-9b4c1bc19f92 · 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-2026-000020339 |
| Status | PUBLIC |
Content hashes
| Canonical text | 73e79def30eecbdfeec9c6551576b17af960a766c08e5a9b70ed961968c71fd6 |
|---|---|
| Markdown | 43f77281ae8b7b9b8b5b16a55c5a21abb254171fdb81a4e20859e130c213132f |
| Publication page | d20d2f8195d340f8d515dba822697875f9036939f420e3e9420b0e2cebb09825 |
| Manifest | 629172830beefa410a317658599895b243e258cbe6b2a9b42a53a068b2ad9165 |
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 | 3H2y/4bm74AWKa4YsO1zZmQWC3wDsZufpk0W6Ndx+Jl8VBW9QgGtfYVCwaEMTU46vPmYyDl93CJxgUdfXeWQCQ== |
| 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
| 2026-09-17T12:00:07.201727Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020339observed d20d2f8195d340f8d515dba822697875...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:07.182529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020339/manifest.jsonobserved 629172830beefa410a317658599895b2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:07.162782Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020339/publication.mdobserved 43f77281ae8b7b9b8b5b16a55c5a21ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:07.143913Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020339/publication.txtobserved 73e79def30eecbdfeec9c6551576b17a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:17.686291Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020339observed d20d2f8195d340f8d515dba822697875...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:17.669109Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020339/manifest.jsonobserved 629172830beefa410a317658599895b2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:17.651689Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020339/publication.mdobserved 43f77281ae8b7b9b8b5b16a55c5a21ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:17.630141Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020339/publication.txtobserved 73e79def30eecbdfeec9c6551576b17a...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. |
|---|