OT-2026-000020004
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off before set-down
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-2026-000020004) never changes.
Identity and time
| Publication number | OT-2026-000020004 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb7-7871-bf16-54504ddfdd23 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020004 |
| Status | PUBLIC |
Content hashes
| Canonical text | ce93f08a5f3b3944cf727c06e4cd752a7c7a506a1de7216348b2f2d59ee137e0 |
|---|---|
| Markdown | c4af2fa52157aeadb412196fc5654854f781ee58744365a7d2688c000ca6fd6d |
| Publication page | a331fea566be0e30e91beca65d061ae26caa11cf7b1d49dfc7f8586bdd73b233 |
| Manifest | 47651a64487e5a5452656dfbc42cdce84918acc250d5fc190256eeba2af638cf |
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 | 7pzwQhZx4lnOvpjzRfFtZjvI2OG0qksQ2HEULoX0qWV8gCXlIrAJTH1wuHSGueN89BExSYJJEtnpE61c9gSQAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:58:15.151973Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020004observed a331fea566be0e30e91beca65d061ae2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:15.076061Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020004/manifest.jsonobserved 47651a64487e5a5452656dfbc42cdce8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:15.053505Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020004/publication.mdobserved c4af2fa52157aeadb412196fc5654854...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:15.008424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020004/publication.txtobserved ce93f08a5f3b3944cf727c06e4cd752a...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. |
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