OT-2026-000100442
Publication integrity record
Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100442) never changes.
Identity and time
| Publication number | OT-2026-000100442 · never reused |
|---|---|
| Internal UUID | 01a0aea3-66ef-7c44-a754-6f6961c0e877 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:12:19.463543Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000100442 |
| Status | PUBLIC |
Content hashes
| Canonical text | c0bdacf69b081655d762a9bf5418a0b6657a4c874e007cbea9eec9d3b6c4cf84 |
|---|---|
| Markdown | 8282a89770b4b96de01c0bbfe73de8844a1b941f1aedfa500fb95522ee717874 |
| Publication page | 7a22010658a5c14a9c86ccb5e3c3f1cf2f9e2b0fae03f7a3914963ba72e31511 |
| Manifest | 88fb94a8ddbaf3b0119fafd8c061691958ebc8cbbe4b2855a42585debe5552d6 |
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 | mrph2js6uQxfHnDIAIUPAtviOTwAjdEEvILzbSMm07M/tv49IUYcBP0v6ZphM8rXMgpTGxRpisXfg/xLgyGHBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-09-17T09:27:11.113881Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100442observed 7a22010658a5c14a9c86ccb5e3c3f1cf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:27:11.098540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100442/manifest.jsonobserved 88fb94a8ddbaf3b0119fafd8c0616919...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:11.082703Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100442/publication.mdobserved 8282a89770b4b96de01c0bbfe73de884...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:11.065917Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100442/publication.txtobserved c0bdacf69b081655d762a9bf5418a0b6...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. |
|---|