OT-2026-000077964
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, vented after 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-2026-000077964) never changes.
Identity and time
| Publication number | OT-2026-000077964 · never reused |
|---|---|
| Internal UUID | 01a0ae95-2ed1-7bd8-9a70-510634f0c61c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:47.703064Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077964 |
| Status | PUBLIC |
Content hashes
| Canonical text | a3743d009c9b77fc7e495d3020bbb18328cc039fde1be6f0a21dc73b9d064502 |
|---|---|
| Markdown | 528be091a4e9e96f4d775d2b10f5bf85198614cd49f3c048afccd459c3eb82a4 |
| Publication page | e5566a2369fc80689a7f3b803e6c5da7d36b4d219bfb274e7be48313463f4192 |
| Manifest | e0ef8fdf345c2e91a00fad7c9827c2ab5728c48045b9100ba307b586a429f04a |
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 | UhYFHzv2mAq3Wd7r9mQ0QjKw9GxlBvxOTZ1aAXe4am20tSyMRHyK6CtSv4TgaFkWZ71jVKOq64GtkefWPvamDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:10:20.748754Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077964observed e5566a2369fc80689a7f3b803e6c5da7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:10:20.724611Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077964/manifest.jsonobserved e0ef8fdf345c2e91a00fad7c9827c2ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:20.702186Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077964/publication.mdobserved 528be091a4e9e96f4d775d2b10f5bf85...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:10:20.559696Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077964/publication.txtobserved a3743d009c9b77fc7e495d3020bbb183...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:14.838446Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077964observed e5566a2369fc80689a7f3b803e6c5da7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:14.818596Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077964/manifest.jsonobserved e0ef8fdf345c2e91a00fad7c9827c2ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:14.800531Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077964/publication.mdobserved 528be091a4e9e96f4d775d2b10f5bf85...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:14.780861Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077964/publication.txtobserved a3743d009c9b77fc7e495d3020bbb183...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. |
|---|