OT-2026-000005461
Publication integrity record
Porous face vacuum gripper, per zone isolation, plant vacuum fed, contact triggered, open cell
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-2026-000005461) never changes.
Identity and time
| Publication number | OT-2026-000005461 · never reused |
|---|---|
| Internal UUID | 01a0a939-be7f-7790-bea6-cef9a9d67088 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:58:48.961578Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005461 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6ff3d4e0fa59a178e9d39e9192823fe459e014289ed31bb179c745104eadeea7 |
|---|---|
| Markdown | bbf3726b8451b6df7d1c9ccc2e9264d1daddae415d4bb8f85a2aac34d42aa0bb |
| Publication page | d3bf14ee601cf809c97103c8b0a998e081a1d79a4985cb29e096e1ccd6a39a72 |
| Manifest | 1435caa06f159c7ba7ffbd69d5cffc33e69779a1dabac27854b47aacba509827 |
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 | HA02d9BsxyQI2TbZ7LNThYUpJfe7eoyLqNuAWPiKvdZEuOOEiayrQyUXI9LSzOXxPZLoH0OZHgbth9+C9kDoBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:00:06.882215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005461observed d3bf14ee601cf809c97103c8b0a998e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:06.745602Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005461/manifest.jsonobserved 1435caa06f159c7ba7ffbd69d5cffc33...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:06.732079Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005461/publication.mdobserved bbf3726b8451b6df7d1c9ccc2e9264d1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:06.717733Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005461/publication.txtobserved 6ff3d4e0fa59a178e9d39e9192823fe4...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. |
|---|