OT-2026-000004271
Publication integrity record
Porous face vacuum gripper, common isolation valve, two outlet manifold, three stage ejector
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-2026-000004271) never changes.
Identity and time
| Publication number | OT-2026-000004271 · never reused |
|---|---|
| Internal UUID | 01a0a912-f05b-76af-b3ea-f6b0293a9d25 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:25.823624Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004271 |
| Status | PUBLIC |
Content hashes
| Canonical text | c0195fdd97d649b12b863ce35aabc2e69de66987410d5c3795c970d10cb618b6 |
|---|---|
| Markdown | d3c6dab0f1eec20a7846937f09c452d04be53aa9a52fc36679ff58480dc6c2e2 |
| Publication page | a0fc952564b8479447cb945e02eb7105e7436c217206f0f9159fcde05c863c4d |
| Manifest | 0c6fb286964265c837eb25dc2649eda1851c2c7f9a216aba3e9640413ecd129a |
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 | aroqvMyKJLKhvDGgfjYMRt7MPG695q5ARL1FoIDpsSxmIGg6xZBf1rZfWZIW46ql/aNZ6N/FEDup8ltFVkyZBw== |
| 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
| 2026-09-16T07:20:16.869849Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004271observed a0fc952564b8479447cb945e02eb7105...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:16.739955Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004271/manifest.jsonobserved 0c6fb286964265c837eb25dc2649eda1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:16.726058Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004271/publication.mdobserved d3c6dab0f1eec20a7846937f09c452d0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:16.710471Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004271/publication.txtobserved c0195fdd97d649b12b863ce35aabc2e6...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. |
|---|