OT-2026-000003532
Publication integrity record
Porous face vacuum gripper, common isolation valve, 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-2026-000003532) never changes.
Identity and time
| Publication number | OT-2026-000003532 · never reused |
|---|---|
| Internal UUID | 01a0a90a-4b92-720e-87be-3f4e54f74eac · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:06:59.350556Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003532 |
| Status | PUBLIC |
Content hashes
| Canonical text | bd65de71c5946da6e48d51d605eaeeddfeb515210de9332a09804e0c28a62aa1 |
|---|---|
| Markdown | 01541561aa0777a3af5647237fec31811183cb23435c9bb737a28dabe61c659c |
| Publication page | c75732c74644a912f8a711fb748d69a1f3259c98affc43e56031a731e80c043d |
| Manifest | e841b199c9ccf0730c8368f69dae031490a34ee2d92c7bd0a6e8dd540bb7e330 |
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 | 8VQQPnP4/7732t+xiiWKNb5Ikw/Ht611c+/YZCtAayKcNwQl2MVn2cu6kI4/xw77drWw+0hE12CLFNt2djhTDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:07:02Z batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof root e9da7eb1c397f1749e5915c5a39dbbcf... |
|---|
Independent retrieval
| 2026-09-16T08:43:59.137931Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003532observed c75732c74644a912f8a711fb748d69a1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:43:58.707973Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003532/manifest.jsonobserved e841b199c9ccf0730c8368f69dae0314...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:43:58.133857Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003532/publication.mdobserved 01541561aa0777a3af5647237fec3181...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:43:57.173142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003532/publication.txtobserved bd65de71c5946da6e48d51d605eaeedd...fetched by grabo-systems from 34.44.131.203, 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. |
|---|