OT-2026-000089828
Publication integrity record
Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000089828) never changes.
Identity and time
| Publication number | OT-2026-000089828 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-428d-7553-a0b3-b20f9d4c1d11 · 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-2026-000089828 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4d8e6b09c4ee83392c5ab50ef030024b0cf251518efccd292945e9bfaac1cad4 |
|---|---|
| Markdown | 805d398066df4428e887a75c7da5fd20be0b388509dc2dabdf185a46b5d725a9 |
| Publication page | 5b54e37b4ea0c3cebdd0d11299060713d5e8ac8d13c6337c418afdf355748d3e |
| Manifest | d64227b33b841734f0db8a8fea950180690f91574eebd196eff51862252f7369 |
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 | CccAs7cbiGWQKVaJcbIs2DasfN3SOpgpLN3ZrqJtOJRDsD1g45G4IqNV3oARvf/3f7r+TJoA8U7XrdkfSlnvAw== |
| 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
| 2026-09-17T09:45:04.038489Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089828observed 5b54e37b4ea0c3cebdd0d11299060713...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:45:04.022427Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089828/manifest.jsonobserved d64227b33b841734f0db8a8fea950180...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:04.004653Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089828/publication.mdobserved 805d398066df4428e887a75c7da5fd20...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:03.986277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089828/publication.txtobserved 4d8e6b09c4ee83392c5ab50ef030024b...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. |
|---|