OT-2026-000028448
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000028448) never changes.
Identity and time
| Publication number | OT-2026-000028448 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-7ed8-9917-9401ff120057 · 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-2026-000028448 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4201b096d650c3bfce75a852b81e948095733d5df04c033ea3e41f442537c8b7 |
|---|---|
| Markdown | abed94937437801568db2368e853a6d0e22acc22af3d2883691ef5e92682e0db |
| Publication page | 3509efc8ede4ca330415eff96e72a28fef62a75e357b9ba5ee36a237540b16c7 |
| Manifest | 633cb27e37fb21347246b49bcd0d94f43b79faa45d3988199761273e7f84521a |
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 | WczHgCSJQgkWl7HNwkzhWj0wsp9U98UKJJnDHyNh+a6DqtHUfDmZAxi9+ur6nwVvrxf8mqqCB5xRy+Sk6LHZCA== |
| 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
| 2026-09-17T11:40:35.146272Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028448observed 3509efc8ede4ca330415eff96e72a28f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:35.118821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028448/manifest.jsonobserved 633cb27e37fb21347246b49bcd0d94f4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:35.101558Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028448/publication.mdobserved abed94937437801568db2368e853a6d0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:35.083311Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028448/publication.txtobserved 4201b096d650c3bfce75a852b81e9480...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. |
|---|