OT-2026-000020831
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, two 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-2026-000020831) never changes.
Identity and time
| Publication number | OT-2026-000020831 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-73b4-9523-e5e3d57f9d92 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020831 |
| Status | PUBLIC |
Content hashes
| Canonical text | c6496a8598c03464c7b832d9e78253e2758fc7547855676d33b55e2bc527f7d2 |
|---|---|
| Markdown | e0492517c6b5ec7c9963c440c3fe4a75c34d7ed41b207b97fe819a23080f75d1 |
| Publication page | f407a2270396ca6f6a11b46d4ea71a75f9546fc22d282fe9c72f2f7242467ee0 |
| Manifest | b89aa73ad1d42687d6aa3019c652a315eb1dc99833376806aa3dbf0a62a4139e |
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 | GtwuKEO1PwNuoUfFKQJpDc9o9c1Cf8Qv25bXirCEXrzBFErhbx4uYuWIY73on6/uKcRCCTiDng63Ay5M7f1pAg== |
| 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
| 2026-09-17T11:55:55.571316Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020831observed f407a2270396ca6f6a11b46d4ea71a75...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:55.554906Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020831/manifest.jsonobserved b89aa73ad1d42687d6aa3019c652a315...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:55.536275Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020831/publication.mdobserved e0492517c6b5ec7c9963c440c3fe4a75...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:55.518408Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020831/publication.txtobserved c6496a8598c03464c7b832d9e78253e2...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. |
|---|