OT-2026-000089890
Publication integrity record
Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down
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-2026-000089890) never changes.
Identity and time
| Publication number | OT-2026-000089890 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-428d-7cbe-957c-06307948c22e · 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-2026-000089890 |
| Status | PUBLIC |
Content hashes
| Canonical text | 68f7eb841674cd7ba7dbbd244b7bdb1ed66f8959950109521340bc8f8838e0a8 |
|---|---|
| Markdown | 553086455352eb1bbd38d6aaf0566709113783a335f57c38113e4e82a4033af3 |
| Publication page | 2981c5ebbdd275122bb3a40a24e723668230ad3ccda69253b6ca9bb1a605e0a6 |
| Manifest | 3fe334e9e2d817524215617dbd975c146d453fd0f8d6d744c9633a23d224588f |
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 | mhIyUxX3ywLJiAHCX9pMYZtCo4k32BJnBkhTNVTO+w+uDQJ8gpxMf/s07su8X8t8qkn9Gi8g+lIAF/OU/gwSAA== |
| 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
| 2026-09-17T12:42:14.358154Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089890observed 2981c5ebbdd275122bb3a40a24e72366...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:42:14.233680Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089890/manifest.jsonobserved 3fe334e9e2d817524215617dbd975c14...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:42:14.111755Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089890/publication.mdobserved 553086455352eb1bbd38d6aaf0566709...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:42:13.912223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089890/publication.txtobserved 68f7eb841674cd7ba7dbbd244b7bdb1e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:09.303391Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089890observed 2981c5ebbdd275122bb3a40a24e72366...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:09.286117Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089890/manifest.jsonobserved 3fe334e9e2d817524215617dbd975c14...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:09.267636Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089890/publication.mdobserved 553086455352eb1bbd38d6aaf0566709...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:09.248100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089890/publication.txtobserved 68f7eb841674cd7ba7dbbd244b7bdb1e...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. |
|---|