OT-2026-000077231
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000077231) never changes.
Identity and time
| Publication number | OT-2026-000077231 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f508-71d0-ab70-c49d49af182a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077231 |
| Status | PUBLIC |
Content hashes
| Canonical text | ebb21cf6b1697e124641b403f78aea6bd6d3cf92b55d14ed6d5c3b409b81d868 |
|---|---|
| Markdown | f53943ebd7c944de4ff5e87ebf8676bacb80535620b1a81ce3e6eb05a8dc8132 |
| Publication page | f064884ba15a682c01fd7bbff0d86c6164f9b8d95e254f26d38653db1113f4cc |
| Manifest | 3256135b568d3906b2751e3312f8ce77f310256454dcfd7d6147b87377b24060 |
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 | hU51UTVv1bjw1Fz1ARth/gdOfOJ6MqnRi7HuOyHQX9XXlgpqWcVzFaGzWjbYNFseOIA1Vd94/bsD6vQ/JG/6BQ== |
| 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
| 2026-09-17T10:08:50.535043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077231observed f064884ba15a682c01fd7bbff0d86c61...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:08:50.515973Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077231/manifest.jsonobserved 3256135b568d3906b2751e3312f8ce77...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:50.495721Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077231/publication.mdobserved f53943ebd7c944de4ff5e87ebf8676ba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:50.475674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077231/publication.txtobserved ebb21cf6b1697e124641b403f78aea6b...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. |
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