OT-2026-000028298
Publication integrity record
Two pad foam vacuum gripper, two 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-2026-000028298) never changes.
Identity and time
| Publication number | OT-2026-000028298 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-78f6-8615-24a7a599c676 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028298 |
| Status | PUBLIC |
Content hashes
| Canonical text | c21e73a3fbf85248a9f90d00d7396a471dc521643bb45a32b908bd489957ef23 |
|---|---|
| Markdown | eba802e2f342a7b9d7560af376a0a46a605371f113a250365f61664057a902ce |
| Publication page | 39fb609d2a9e0af024027b7f72ac45e4b90496eb43354d259203835942e25f57 |
| Manifest | de7a19537d7b37228a264231b42486d7eed1312ab0f2ca11468c40d9e3e9b2b4 |
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 | pI891jnS4ReccKS3UXXOlWaHPYKIsSawKgUtj8pDQPCil7pCNTHg2wXqbABIzLvpuANn23IobaCmktkUFsDnAA== |
| 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
| 2026-09-17T11:40:17.277456Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028298observed 39fb609d2a9e0af024027b7f72ac45e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:17.257869Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028298/manifest.jsonobserved de7a19537d7b37228a264231b42486d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:17.239801Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028298/publication.mdobserved eba802e2f342a7b9d7560af376a0a46a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:17.219138Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028298/publication.txtobserved c21e73a3fbf85248a9f90d00d7396a47...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. |
|---|