OT-2026-000003700
Publication integrity record
Porous face vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure verified
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-2026-000003700) never changes.
Identity and time
| Publication number | OT-2026-000003700 · never reused |
|---|---|
| Internal UUID | 01a0a90a-c875-767b-9ac0-0e05ec9176c8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:31.320250Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003700 |
| Status | PUBLIC |
Content hashes
| Canonical text | f7b1f2acfb6f964db50977aa3fa4062f2857b87a6443b8a574329395c49e6315 |
|---|---|
| Markdown | 1c094332c18402b0173b7a41e2b4bda8618c39c36a675d777994c5d45b66c65b |
| Publication page | 5d43d246f977fb6da71ae6177a78184a8b32a3e16e62ce4c0f0289e6b10ab401 |
| Manifest | 7b9e703953127ed3ec0ba6125907937fef8cf626859781c10414b9209854577b |
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 | 93XSbBF+h6JGJa2qiuyaLhoDmBAAoS+mnyu4NKdPVtBM6j9M40SEc2CzU4UdDIy8u8HLjS1IhdAXUrVpJq9YAg== |
| 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
| 2026-09-16T08:00:37.129731Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003700observed 5d43d246f977fb6da71ae6177a78184a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:36.995058Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003700/manifest.jsonobserved 7b9e703953127ed3ec0ba6125907937f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:36.978699Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003700/publication.mdobserved 1c094332c18402b0173b7a41e2b4bda8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:36.964368Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003700/publication.txtobserved f7b1f2acfb6f964db50977aa3fa4062f...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. |
|---|