OT-2026-000018880
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000018880) never changes.
Identity and time
| Publication number | OT-2026-000018880 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-d522-7772-87e0-27bf343d0765 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:54.261386Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018880 |
| Status | PUBLIC |
Content hashes
| Canonical text | c9c416480d738f121e93395282327be1bf968727955a67f88eafc22681376c20 |
|---|---|
| Markdown | d92dd71b079648b2e6e87d9ac5ca06cc7d237a195a9cfc4e9afac07d98ba2099 |
| Publication page | ef938aca373c22c02d2c4e0b5cacfc114edd407c37efcff961e0a515f718b0a5 |
| Manifest | ec6eb263f044ac702478034b1bbf3ef6ce54b7adda121fa4dc54a72affe3e55c |
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 | fS9fNteku3WipR0uc4Et42YAROw0RNkYIamYTjHTD+EKDD4FzQhZYzEu1O9ggoRBks7EM+xs/wbSKcFhdgJlCA== |
| 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
| 2026-09-17T11:59:31.792338Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018880observed ef938aca373c22c02d2c4e0b5cacfc11...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:59:31.774164Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018880/manifest.jsonobserved ec6eb263f044ac702478034b1bbf3ef6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:31.754887Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018880/publication.mdobserved d92dd71b079648b2e6e87d9ac5ca06cc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:31.738060Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018880/publication.txtobserved c9c416480d738f121e93395282327be1...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. |
|---|