OT-2026-000090825
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000090825) never changes.
Identity and time
| Publication number | OT-2026-000090825 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c010-72c4-aaf2-b5e8b6a6f67b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090825 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8370ce768ae9e50a630341e77db6eae8a7db934560e04815541e4348a4b8cef1 |
|---|---|
| Markdown | 0afc39ce6e009719150a01e97c4f5fcf878a252f2720d3fe2b004da53a31d7a6 |
| Publication page | dafa99ead6c56ac85017f9449102dbdc8ff5197589d3599254c3df113583e800 |
| Manifest | ddcdabf220f6847362ba68c579ff8758eabb44a77850a328b6a63ca505af0d0c |
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 | pevdswh4fZY9ZIBO1T3JknHH0KpOdcVkNrXdasuo3RiNfy+Tv7STq49WbirLMMhZQOm0Cv/dLREHcfhHD264Ag== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:43:52.112773Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090825observed dafa99ead6c56ac85017f9449102dbdc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:43:52.069766Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090825/manifest.jsonobserved ddcdabf220f6847362ba68c579ff8758...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:52.054289Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090825/publication.mdobserved 0afc39ce6e009719150a01e97c4f5fcf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:51.954200Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090825/publication.txtobserved 8370ce768ae9e50a630341e77db6eae8...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. |
|---|