OT-2026-000090636
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, pump 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-2026-000090636) never changes.
Identity and time
| Publication number | OT-2026-000090636 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f30-7f7f-b194-01ff6b238870 · 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-2026-000090636 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4a7b9607ee71143a3339bb7daa450ba00864c6b1ad98b51bf2408678af9f1744 |
|---|---|
| Markdown | 95dc5a19e5972a67e358573b0d3cd634872d9d0cdaaa85ead01ae746776146ac |
| Publication page | 8a043d4081205a8787f5da36067770691370d8579e2f38292be8a760bc673758 |
| Manifest | 906cf09e9fead3cfec6b7220e7a39e202ea0f06c0cc330fe490c431379aa9336 |
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 | 1P9YtfHYTmKPbA0gOi1+l+UXEkpn98u0PxCxDWRP/lSxwWvoWWYcUCkOWhEXDt+f0uhQbb3FOzokER0rSyXODg== |
| 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
| 2026-09-17T09:44:49.327671Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090636observed 8a043d4081205a8787f5da3606777069...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:49.310648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090636/manifest.jsonobserved 906cf09e9fead3cfec6b7220e7a39e20...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:49.277435Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090636/publication.mdobserved 95dc5a19e5972a67e358573b0d3cd634...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:49.243596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090636/publication.txtobserved 4a7b9607ee71143a3339bb7daa450ba0...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. |
|---|