OT-2026-000066271
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000066271) never changes.
Identity and time
| Publication number | OT-2026-000066271 · never reused |
|---|---|
| Internal UUID | 01a0ae8e-8dc4-7d7e-8882-18357aaf1dac · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:49:33.262219Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000066271 |
| Status | PUBLIC |
Content hashes
| Canonical text | b4b906ad1dff478e10850e4595e4b8aafbd4ef36bebfee997b99b72f6a7c9ff3 |
|---|---|
| Markdown | dd4c5ea7d56d1d8e089cd1d7f0ee7b09a4cceb324d477c70d4697b5006835c23 |
| Publication page | 08870e76479b3ab1007d79fc9b7dc298b4afbdb7e830ef34bc1ffcb8a4fe6640 |
| Manifest | 8eeb75431179d5b9a3bea44440d68a50859e446ea87bc4660494c9fbd83737ba |
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 | pQwJIDxtiyCVsXhDTXx4L9RUAiz3M3QXeIQ0qU5NldiB85l8DrKBXWq5Sd2mYu13WGSVEnM5/yIUnm1dK7T8Bg== |
| 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
| 2026-11-03T04:41:57.173173Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066271observed 08870e76479b3ab1007d79fc9b7dc298...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T04:41:57.104696Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066271/manifest.jsonobserved 8eeb75431179d5b9a3bea44440d68a50...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T04:41:57.054301Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066271/publication.mdobserved dd4c5ea7d56d1d8e089cd1d7f0ee7b09...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T04:41:56.961673Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066271/publication.txtobserved b4b906ad1dff478e10850e4595e4b8aa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:33:26.762065Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066271observed 08870e76479b3ab1007d79fc9b7dc298...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:33:26.744433Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066271/manifest.jsonobserved 8eeb75431179d5b9a3bea44440d68a50...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:33:26.725914Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066271/publication.mdobserved dd4c5ea7d56d1d8e089cd1d7f0ee7b09...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:33:26.704077Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066271/publication.txtobserved b4b906ad1dff478e10850e4595e4b8aa...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|