OT-2026-000028727
Publication integrity record
Four cup vacuum gripper, four 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-2026-000028727) never changes.
Identity and time
| Publication number | OT-2026-000028727 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2fa-7d7a-bf2a-0ee861b10662 · 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-2026-000028727 |
| Status | PUBLIC |
Content hashes
| Canonical text | 55c4695464e7463201325b286ae05b7d157edaf8cd30de961006b6bd76b59379 |
|---|---|
| Markdown | 11ea4033a76e529f1b6e1b49b5f20f96045c88d72f73a43daa9e762971c1032d |
| Publication page | 99887112f3794a31a5eb87d63d2ed6d9382c8ed5436a43a9f6f87b67de661a57 |
| Manifest | bec5486d9a4b693312c968ae763a6aa46a34fbbd1af55dcd46ff968dece74065 |
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 | gVxTj8cDxeeMzCtGGtfEWiGSO2aironIxK7pp78N5oZqd4KNDenM/v1eb2lZpahw4I9T2GGOffrbmAXgqp7LAA== |
| 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
| 2026-09-17T11:41:44.287218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028727observed 99887112f3794a31a5eb87d63d2ed6d9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:44.265841Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028727/manifest.jsonobserved bec5486d9a4b693312c968ae763a6aa4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:44.242233Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028727/publication.mdobserved 11ea4033a76e529f1b6e1b49b5f20f96...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:44.219653Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028727/publication.txtobserved 55c4695464e7463201325b286ae05b7d...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. |
|---|