OT-2026-000090989
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000090989) never changes.
Identity and time
| Publication number | OT-2026-000090989 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c011-712a-a5bd-b7d173eb66d8 · 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-2026-000090989 |
| Status | PUBLIC |
Content hashes
| Canonical text | c37b30889a8c18255b71710721c79121441cd0be1f1dbbf6871be66844a47ee9 |
|---|---|
| Markdown | 926b12d369091766ca571bf93091e2429cdbab855149fdc05a5c8089a107ae0e |
| Publication page | 03065d4e301cc5c6bdf04c75da57a6f8c2a444f77ff88c089eabfe475df21ddf |
| Manifest | c13a080ab06aa89aa90fe349c661eed2922c8b4f82ceb5f4c11c29b7cd8a27ff |
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 | rLHr4m3sFZ8C4tuWEKdJFYZmyc9IF1l35oWlatadOXy2Gn08qMi9uscOYm4rscH1UjaJOI6mWOMt8+9VUwH2Cw== |
| 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
| 2026-09-17T09:44:13.132110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090989observed 03065d4e301cc5c6bdf04c75da57a6f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:13.113891Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090989/manifest.jsonobserved c13a080ab06aa89aa90fe349c661eed2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:13.096816Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090989/publication.mdobserved 926b12d369091766ca571bf93091e242...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:13.078411Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090989/publication.txtobserved c37b30889a8c18255b71710721c79121...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. |
|---|