OT-2026-000004549
Publication integrity record
Vacuum cup gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000004549) never changes.
Identity and time
| Publication number | OT-2026-000004549 · never reused |
|---|---|
| Internal UUID | 01a0a91b-a28d-7edf-aabe-dfe3f0c77078 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:25:55.728337Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004549 |
| Status | PUBLIC |
Content hashes
| Canonical text | 65f0d491a3df8e449209c3bca628c64add4308ea1855f754681fc38ac6872a17 |
|---|---|
| Markdown | f4dd9e09143e158ee8c1d4d366e5e9350edc545fb076493d9dea9c3dbf21b0ac |
| Publication page | a4f6d307f5c98ab3ccbef2fc0f3d9e2ad11af631e951f75b2b206edf371da9a4 |
| Manifest | cd40abd6e926d70b0892320dc3516dcdad5571b36ce3b2d573a0e3dfeb82e9a9 |
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 | lOlj54ZFuGgmrUmihGpj/AxD8Itjkfbq1hxZrLKhiwC4naikTZrUtXsFCUtd0Rp7vcCHWoXCZ2xQa3DKRh26Aw== |
| 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
| 2026-09-16T07:30:15.904564Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004549observed a4f6d307f5c98ab3ccbef2fc0f3d9e2a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:15.891995Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004549/manifest.jsonobserved cd40abd6e926d70b0892320dc3516dcd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:15.879362Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004549/publication.mdobserved f4dd9e09143e158ee8c1d4d366e5e935...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:15.743849Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004549/publication.txtobserved 65f0d491a3df8e449209c3bca628c64a...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. |
|---|