OT-2026-000020353
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000020353) never changes.
Identity and time
| Publication number | OT-2026-000020353 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-7741-9aec-fee09335f3c5 · 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-2026-000020353 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8d463e58d6d4bd248b7554f147490b27f0aff7d10fd7bdbc606b3bc2fefcf8ad |
|---|---|
| Markdown | 7001be184b93377ec29d7373d84a1cdb867f9f090fd07664cb515ec46746edf2 |
| Publication page | 745c687a7c79469af511ed08fdeaf67675808c5e85a9da830247fde85618890c |
| Manifest | 0cccbbe688d3049ab36ba439a1f910c53f713f5c66a7e4a600658233b0a583d0 |
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 | sTbrziU+ntJ+BDMl3QJjbGXQ3yl2iQkuILp/4LPv7LKm7CZ8gidvBl769QZ8wEBD1fgpvS46wOc5ATg9EeJHBQ== |
| 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
| 2026-09-17T12:00:08.789292Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020353observed 745c687a7c79469af511ed08fdeaf676...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:08.763429Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020353/manifest.jsonobserved 0cccbbe688d3049ab36ba439a1f910c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:08.740490Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020353/publication.mdobserved 7001be184b93377ec29d7373d84a1cdb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:08.718140Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020353/publication.txtobserved 8d463e58d6d4bd248b7554f147490b27...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:18.875132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020353observed 745c687a7c79469af511ed08fdeaf676...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:18.857791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020353/manifest.jsonobserved 0cccbbe688d3049ab36ba439a1f910c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:18.841027Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020353/publication.mdobserved 7001be184b93377ec29d7373d84a1cdb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:18.824593Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020353/publication.txtobserved 8d463e58d6d4bd248b7554f147490b27...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. |
|---|