OT-2026-000020575
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pulsed blow-off before set-down, on a tool changer
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-2026-000020575) never changes.
Identity and time
| Publication number | OT-2026-000020575 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437c-730d-96a0-8bc9ea3efe78 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020575 |
| Status | PUBLIC |
Content hashes
| Canonical text | bcb59f401e69360466eefe4c8df32b91bec393f9fc2f95042ad7fd6bde06b8f3 |
|---|---|
| Markdown | 78adbc18ff6916b6dc83022702e8a60289601f3825ab176ca602efd59833fcac |
| Publication page | 94b2b79f4e2b03e3d4ec0ea69fdb49fcdf39084e23ca3107ef1db4d3c97e07be |
| Manifest | b84715dc94200fbb67969872332d20f13378b79969add807f85673cacc61a2c6 |
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 | E3C4lsaWiIfKAQf727Vlgv5oip+3M60HR241yVFkUQBCJBEl9Ajv22iivhCVWVi7m0KwsSFak7/X0mWPmil7Aw== |
| 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
| 2026-09-17T12:00:41.899419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020575observed 94b2b79f4e2b03e3d4ec0ea69fdb49fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:41.880039Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020575/manifest.jsonobserved b84715dc94200fbb67969872332d20f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:41.861795Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020575/publication.mdobserved 78adbc18ff6916b6dc83022702e8a602...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:41.842412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020575/publication.txtobserved bcb59f401e69360466eefe4c8df32b91...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:36.629880Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020575observed 94b2b79f4e2b03e3d4ec0ea69fdb49fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:36.612540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020575/manifest.jsonobserved b84715dc94200fbb67969872332d20f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:36.593889Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020575/publication.mdobserved 78adbc18ff6916b6dc83022702e8a602...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:36.575477Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020575/publication.txtobserved bcb59f401e69360466eefe4c8df32b91...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. |
|---|