OT-2026-000004930
Publication integrity record
Porous face vacuum gripper, two outlet manifold, 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-2026-000004930) never changes.
Identity and time
| Publication number | OT-2026-000004930 · never reused |
|---|---|
| Internal UUID | 01a0a928-2c68-7272-9043-6ea98885dd71 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:39:37.451279Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004930 |
| Status | PUBLIC |
Content hashes
| Canonical text | f3d2ce71c38baf26ee12e3d4949fd8f5a455d0ff691e5b7e6cb0ffdb9338c55b |
|---|---|
| Markdown | 9fc8669eabd4b8c743c0ec2304d100ee9bf0f2763591d76a3c567a0538041edc |
| Publication page | 5baf6aa5b2c0af8991cd9cfdf90efd007b2c5df531d83b60202e6fe3de6922cc |
| Manifest | 36d06440c3315796b5d26ee85d57fcc839dc5fe0d424ba2d3dd47aa0343253d5 |
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 | NCi0ZOz5akkwY2WQdl3+1e8VZ5RvQ2zDlE5AeWC5Uvx9xoGv/IvNvJ1gHRbHK2C6A0wyXs27jFAfWR6vCoaKAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:03.628079Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004930observed 5baf6aa5b2c0af8991cd9cfdf90efd00...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:03.496458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004930/manifest.jsonobserved 36d06440c3315796b5d26ee85d57fcc8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:03.483440Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004930/publication.mdobserved 9fc8669eabd4b8c743c0ec2304d100ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:03.470100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004930/publication.txtobserved f3d2ce71c38baf26ee12e3d4949fd8f5...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. |
|---|