OT-2026-000090219
Publication integrity record
Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000090219) never changes.
Identity and time
| Publication number | OT-2026-000090219 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-428f-77d6-a9cd-00f4a232bf51 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:31.390046Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090219 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8a03d3dbc9ec79688cae2374b1d565dfe9e5938abb3d1e79e262a6fa072f54fe |
|---|---|
| Markdown | 2cc4228be83001ebf9411a72c6257944c104f766ee3a8c35cabf47868a999135 |
| Publication page | 90b65d76da0fff25b2f3ae899d7eb1e75f8a7e46c3254298fa0471f00b74bf02 |
| Manifest | 1f536e4c709f3cdca2208b359921e2de14fde8ec9b7b1bcce4781861d8374a0b |
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 | kSM6X0EHOmU7m6cK1SSjw4bpi0J75PxpnJYZi6L0x8KvcxGFRvHc56HtViflo8d4tYRsvYnviYv9eOfAJtwaCQ== |
| 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
| 2026-09-17T09:46:17.835911Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090219observed 90b65d76da0fff25b2f3ae899d7eb1e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:46:17.816836Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090219/manifest.jsonobserved 1f536e4c709f3cdca2208b359921e2de...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:17.798880Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090219/publication.mdobserved 2cc4228be83001ebf9411a72c6257944...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:17.780824Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090219/publication.txtobserved 8a03d3dbc9ec79688cae2374b1d565df...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. |
|---|