OT-2026-000090757
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000090757) never changes.
Identity and time
| Publication number | OT-2026-000090757 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f31-7c66-a958-cd1d9a0feacd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090757 |
| Status | PUBLIC |
Content hashes
| Canonical text | c33bb4b324a183eedfb949450140d6a17a2bbecda7701cc0e0d5d827ae6d2fe5 |
|---|---|
| Markdown | d66b675247191e5cc4f12d71d5c6d6ade44a74089da8c5e72797f58837642e82 |
| Publication page | 344a2f91787fc85ce0d9f4c7db93e1a989627ecfdbc3993259fb4b1b341d071a |
| Manifest | 3cea9b3b2e352879575783d240cac5ce06886ad1b6e13ce196f14a0bdca890ff |
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 | m9cYuiYIY3ldzjSjV0FOx16pTsbmj14TEKoBLN2hU+dT3o/7ytp04ZL7tjTnzrAMsRFnkduS6dwmUjKsKFuoCg== |
| 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
| 2026-09-17T09:44:57.142555Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090757observed 344a2f91787fc85ce0d9f4c7db93e1a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:57.122411Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090757/manifest.jsonobserved 3cea9b3b2e352879575783d240cac5ce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:57.102152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090757/publication.mdobserved d66b675247191e5cc4f12d71d5c6d6ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:57.081872Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090757/publication.txtobserved c33bb4b324a183eedfb949450140d6a1...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. |
|---|