OT-2026-000003944
Publication integrity record
Vacuum cup gripper, four zone face, per zone isolation, pump fed, pressure verified, contact triggered
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-2026-000003944) never changes.
Identity and time
| Publication number | OT-2026-000003944 · never reused |
|---|---|
| Internal UUID | 01a0a90b-8ae0-78ea-90cb-dfb5d82e06a7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:21.090976Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003944 |
| Status | PUBLIC |
Content hashes
| Canonical text | f72dbbb6c03f9c5b2089ed2a35d281c7b28d914c22f8536fe373e1af99f115ce |
|---|---|
| Markdown | 5d99f51527429764ac11167d2a0558b971ee8b3cbac7745679902919b57d875e |
| Publication page | cb4b648516a5f288913dda76ba00148ba96fb7122890b9a5996b7e0c999e381f |
| Manifest | eae15f3a430c5739684b1690b59e9831bc0c65d3408fdc6da4d3b8efbf58584c |
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 | kv7Ougri2T6CR2RzZ1+heucdadBK15U6dNBJbLYu+hn1EaZwKAN0UiRcZqCrsGcRDXHkNmxGBNdvFZbpP6i3Cg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:10:10.770464Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003944observed cb4b648516a5f288913dda76ba00148b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:10.751657Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003944/manifest.jsonobserved eae15f3a430c5739684b1690b59e9831...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:10.734578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003944/publication.mdobserved 5d99f51527429764ac11167d2a0558b9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:10.720838Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003944/publication.txtobserved f72dbbb6c03f9c5b2089ed2a35d281c7...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. |
|---|