OT-2026-000031078
Publication integrity record
Foam pad vacuum gripper, three stage ejector, pulsed blow-off after 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-2026-000031078) never changes.
Identity and time
| Publication number | OT-2026-000031078 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb8-7623-9739-bbb7d1c3e566 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031078 |
| Status | PUBLIC |
Content hashes
| Canonical text | 521ae1d95beafcb2a96d794f9a61d722e710fc62e1d78fdb828a08bb54a56975 |
|---|---|
| Markdown | cdc64fa4ee70c81bc555c11320c685151d40e989324007a606a9eff55fc667f4 |
| Publication page | fb65811daccdc379a50307f5b1f4d13ed9bda071891031396a732a471a9dfd46 |
| Manifest | 4548e4970e60aa9c68f24e2d5befa0815917d37188952ffe373b1b9d7fa272d6 |
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 | yFAP8kSYkHFdUx67yi2GWTdv9fL9B4BrAFDM2tJUxzUWePwyko0FZ+TUVo0vqbCWgZR67Tt78rTu4WF251STCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:40:17.879436Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031078observed fb65811daccdc379a50307f5b1f4d13e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:17.861584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031078/manifest.jsonobserved 4548e4970e60aa9c68f24e2d5befa081...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:17.837822Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031078/publication.mdobserved cdc64fa4ee70c81bc555c11320c68515...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:17.819761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031078/publication.txtobserved 521ae1d95beafcb2a96d794f9a61d722...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:40.022060Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031078observed fb65811daccdc379a50307f5b1f4d13e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:40.005991Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031078/manifest.jsonobserved 4548e4970e60aa9c68f24e2d5befa081...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:39.989047Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031078/publication.mdobserved cdc64fa4ee70c81bc555c11320c68515...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:39.972732Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031078/publication.txtobserved 521ae1d95beafcb2a96d794f9a61d722...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. |
|---|