OT-2026-000090888
Publication integrity record
Two bellows cup vacuum gripper, two 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-2026-000090888) never changes.
Identity and time
| Publication number | OT-2026-000090888 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c011-789d-821f-e93845377051 · 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-2026-000090888 |
| Status | PUBLIC |
Content hashes
| Canonical text | a2665322b205cbcf33f762e040defd553b6f488d399e91eab27a201b0eb91aed |
|---|---|
| Markdown | f438d54f5d106ff7d421c3755eb76141780d28bb092ba113ef667c3185910e20 |
| Publication page | c1cc4650075153629168e1e965cea0f8834825b2bffadc6bbddb2dcef98da791 |
| Manifest | ad6e58e1153bdf83e9b6725790f2632c9abecfe8b49fba43e30e5d3d458d5760 |
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 | WKbgL2ZXgUf2fAlIjY9hUVPIlX+7DwEHPJm40qMQBQjwgUFub3ZmxvbnM94FejCpixlAY3gkAwtOC58QWOmfDQ== |
| 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
| 2026-09-17T09:44:05.371168Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090888observed c1cc4650075153629168e1e965cea0f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:05.353677Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090888/manifest.jsonobserved ad6e58e1153bdf83e9b6725790f2632c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:05.335438Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090888/publication.mdobserved f438d54f5d106ff7d421c3755eb76141...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:05.300538Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090888/publication.txtobserved a2665322b205cbcf33f762e040defd55...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. |
|---|