OT-2026-000028263
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pulsed 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-2026-000028263) never changes.
Identity and time
| Publication number | OT-2026-000028263 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f4-79ed-bdd9-06ae0fd26195 · 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-2026-000028263 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5594da4c9754a9e42eeca0fce7bca9e839bdc3e3309148f3273738892d346680 |
|---|---|
| Markdown | 19984a8e5192af2e20ad674e0ab56dc9e5401f03c58ae68bb882e5a0716601cd |
| Publication page | 9fc413430218110e4fad450d892308f5ac472e7f3a6d36913071b2c142a55c9d |
| Manifest | 4d71f491855b3881c80cc4aa55d32a1fde341b5463393a2a98e2913abbdd7179 |
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 | g/a7tVtaVtOxucJWYV/BVQ2M2lWQMkKnz1cxVhBgJ9natxxiBaT/JKC5OwztIHsubVGridyyYN8nl5ZxBznBBw== |
| 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
| 2026-09-17T11:40:08.274487Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028263observed 9fc413430218110e4fad450d892308f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:08.255839Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028263/manifest.jsonobserved 4d71f491855b3881c80cc4aa55d32a1f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:08.236433Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028263/publication.mdobserved 19984a8e5192af2e20ad674e0ab56dc9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:08.210068Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028263/publication.txtobserved 5594da4c9754a9e42eeca0fce7bca9e8...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. |
|---|