OT-2026-000090319
Publication integrity record
Two bellows cup vacuum gripper, two zone face, 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-2026-000090319) never changes.
Identity and time
| Publication number | OT-2026-000090319 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2c-7d85-bb65-32bde90e951d · 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-2026-000090319 |
| Status | PUBLIC |
Content hashes
| Canonical text | 71a95b0f3dbe2233b262c60f8fc1f29fea0dd5d3db22d1280a34d64ef16b89f5 |
|---|---|
| Markdown | 59d1de84949d4857a52805f81181e764437f1b1145420e96046dae2ea23e74f2 |
| Publication page | de95e0d95b215244949589ebc1e4bb36acfa711d939919b9d603bf69d925ddb4 |
| Manifest | 6725707475c6bca195706a6898bcb4fca2e90ae8082f9cf5d59fddef021eab95 |
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 | N1kdqKzfbZ/veZaE9mNUpB4pwOYb50A+B7f3q/dXiEjpsvzrn0cbr0qsYQ9H96toQkU2HTtR2jMk8G3f2wzeBQ== |
| 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
| 2026-09-17T09:44:24.267461Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090319observed de95e0d95b215244949589ebc1e4bb36...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:24.248885Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090319/manifest.jsonobserved 6725707475c6bca195706a6898bcb4fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:24.215984Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090319/publication.mdobserved 59d1de84949d4857a52805f81181e764...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:24.198980Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090319/publication.txtobserved 71a95b0f3dbe2233b262c60f8fc1f29f...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. |
|---|