OT-2026-000028922
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000028922) never changes.
Identity and time
| Publication number | OT-2026-000028922 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7dd8-aacc-cf7b020572dc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028922 |
| Status | PUBLIC |
Content hashes
| Canonical text | fb5809d995a1a417b34ef2c5b0bdbc19bcd0f28ae9181249341de84ae5c5c3fc |
|---|---|
| Markdown | 938f3c95349f3873e3403c95818d68fb346ee95859bc3a4ffde96839d90d68ae |
| Publication page | 2c302333d91f1b5ef0ec0a4ca8c306b4b6e60e8b27618cd9b61cb9fa9f06468f |
| Manifest | f7ccae9f4006a10bc7e2e4d4e0b3fee621f176043eaeab741039a42ffcb9f09b |
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 | Aw3GZz8qZriZYc+88zX2GoeEOl5yJEj0ZlO8u+ggxXRDgLKKneVm/C4GTo4wq/Yh/Ia+gN7yuOfFNmbWyx0KDg== |
| 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
| 2026-09-17T08:20:20.798054Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028922observed 2c302333d91f1b5ef0ec0a4ca8c306b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:20.779372Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028922/manifest.jsonobserved f7ccae9f4006a10bc7e2e4d4e0b3fee6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:20.758000Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028922/publication.mdobserved 938f3c95349f3873e3403c95818d68fb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:20.737483Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028922/publication.txtobserved fb5809d995a1a417b34ef2c5b0bdbc19...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. |
|---|