OT-2026-000005720
Publication integrity record
Porous face vacuum gripper, common isolation valve, ejector 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-2026-000005720) never changes.
Identity and time
| Publication number | OT-2026-000005720 · never reused |
|---|---|
| Internal UUID | 01a0a942-9303-77f5-bc12-068033d7db13 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:08:27.653910Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005720 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9eb7a040e09dd174786505831426295af3edbd82a066f365abe7193f85511ba5 |
|---|---|
| Markdown | 8dc751ffd5e8d5e5a4be5b24b51fa868476b2a26ba0ed5e0d55140ccf1de3d1f |
| Publication page | 06ed6e3d76c9e53315c3934cc1059e952ef3cbc48e5d06ac4bb48b77961779ca |
| Manifest | 8853a0827ff751a80caa8e0ef990fdbba4bd906b4260c8114e64b8e794d9bc6f |
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 | 7j3Exyglr0nvaxUPi7o0g2OvxomWWfC3NsaoGBsUr2Y8YbD4wLYgpZfMNToRXimgTSZNazy9JDnc+I0oh6gdAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:27:03Z batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof root dbe93cb6b2158496df2f60f3b6822537... |
|---|
Independent retrieval
| 2026-09-16T08:10:07.654181Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005720observed 06ed6e3d76c9e53315c3934cc1059e95...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:10:07.637012Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005720/manifest.jsonobserved 8853a0827ff751a80caa8e0ef990fdbb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:07.494250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005720/publication.mdobserved 8dc751ffd5e8d5e5a4be5b24b51fa868...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:07.477766Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005720/publication.txtobserved 9eb7a040e09dd174786505831426295a...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. |
|---|