OT-2026-000028895
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000028895) never changes.
Identity and time
| Publication number | OT-2026-000028895 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7c39-a869-478820d2dcdc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028895 |
| Status | PUBLIC |
Content hashes
| Canonical text | 153417cbea753eb92309fa55cc79f63a1c9bec5fd9d5147188e247630d3e5d46 |
|---|---|
| Markdown | 5da317353f69714cc3100507313506ef32035ba0c3dadab08dea4d2a78d93dc2 |
| Publication page | 480ffec213f5b62b97569632c8c534f7013799afba4ac00ca62275fe63d4bd8b |
| Manifest | 9bd9f2f14c51b3bf6a3b429e946c8f2d06e54c425361548be72b78ff72967803 |
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 | JeaNW8emF7U5bvIgIibgT2UamVhRR5kCoJcPLkZCYe8ovOjyLeUETgzP8fuUEnqHmdTbHbSqx66b4VMzlLz9Dg== |
| 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
| 2026-09-17T08:20:16.448991Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028895observed 480ffec213f5b62b97569632c8c534f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:16.429818Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028895/manifest.jsonobserved 9bd9f2f14c51b3bf6a3b429e946c8f2d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:16.287066Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028895/publication.mdobserved 5da317353f69714cc3100507313506ef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:16.270094Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028895/publication.txtobserved 153417cbea753eb92309fa55cc79f63a...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. |
|---|