OT-2026-000028695
Publication integrity record
Four bellows 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-2026-000028695) never changes.
Identity and time
| Publication number | OT-2026-000028695 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7a88-b5fe-0634bc0a25bc · 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-2026-000028695 |
| Status | PUBLIC |
Content hashes
| Canonical text | 20bf3cd78d66427c34fcaa548345e45fffe1bd07617499c45629e69febf6884b |
|---|---|
| Markdown | 1ad36ac723f226ed89aaeb48cf4dd56f869ec5550edbba49a095daf5ad58bc7f |
| Publication page | 8de9276b29d26421e765490f97a2ad481addffebb12b0a364b268dcdc886709d |
| Manifest | 534807d125a769f58b60f53e4e22fb39ccf77aff6e95dd9423969cea0ccb9f83 |
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 | tRKdIxUT5K12LS3JbB11RhKfwOt9iz+eBcugbXYmkBK7vrWfreWZv7vUs7oNrfPIrzujYv2L+KnXC6BLF2YXDQ== |
| 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
| 2026-09-17T11:41:41.424000Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028695observed 8de9276b29d26421e765490f97a2ad48...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:41.403112Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028695/manifest.jsonobserved 534807d125a769f58b60f53e4e22fb39...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:41.377402Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028695/publication.mdobserved 1ad36ac723f226ed89aaeb48cf4dd56f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:41.353261Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028695/publication.txtobserved 20bf3cd78d66427c34fcaa548345e45f...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. |
|---|