OT-2026-000019153
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000019153) never changes.
Identity and time
| Publication number | OT-2026-000019153 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f391-78e5-8f94-a70fe0b1c6d0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019153 |
| Status | PUBLIC |
Content hashes
| Canonical text | 12812a014e854613d8804b0e0809036b0490ccc3254f27de929ba5dc4eb3a6bf |
|---|---|
| Markdown | 528354a9c03f9a2494b12e5605e375863feae5104390b5d9fa0fa0ce2f870dcb |
| Publication page | 25134a473652e0d3d4cda66f425ba17a148a460f0549ca0ab796371c51bfb09f |
| Manifest | bfea8c94788849a1a1c99f78fff12a8745def90d6302fb222ca18210b7dc48e3 |
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 | IzqxANldJmB8FSJVbuKgQCG1cwUOvD2IfKBuO2zIiNWCfFcu0K82XA17UgxSAUg9UJy82g+uCeRjcE5NOe/fCA== |
| 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
| 2026-09-17T11:58:27.683808Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019153observed 25134a473652e0d3d4cda66f425ba17a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:27.665789Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019153/manifest.jsonobserved bfea8c94788849a1a1c99f78fff12a87...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:27.649716Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019153/publication.mdobserved 528354a9c03f9a2494b12e5605e37586...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:27.632744Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019153/publication.txtobserved 12812a014e854613d8804b0e0809036b...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. |
|---|