OT-2026-000067263
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, three 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-2026-000067263) never changes.
Identity and time
| Publication number | OT-2026-000067263 · never reused |
|---|---|
| Internal UUID | 01a0ae8f-6bd6-7977-9fb5-e075a2fd3619 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:50:29.998864Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000067263 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4fd3fbb927949002bf269578530fb533fa8beae58744723ef649bc56fd354245 |
|---|---|
| Markdown | e101630c967b1ffa86fb56d427bbd18d328ce482494ad017f85f8a8c57dbc38c |
| Publication page | 97f39926a401e06e4e18d96d3b456349091572b16391d4fb5af696644161da5b |
| Manifest | 723fd005e4e2ff8803dcc9eddd029139ee64566f8691d902cc0003d2d2623bdd |
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 | ttF/n2ps0b2sdBd6kh36nYchwK/MvdgfOTuToPYRv0ecXyExRUL1rvi9Dzn4ylOOQUb4BX12bM+SUKT6w/4qDg== |
| 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
| 2026-10-13T16:41:40.952820Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067263observed 97f39926a401e06e4e18d96d3b456349...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-13T16:41:40.886540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067263/manifest.jsonobserved 723fd005e4e2ff8803dcc9eddd029139...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T16:41:40.819234Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067263/publication.mdobserved e101630c967b1ffa86fb56d427bbd18d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T16:41:40.681543Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067263/publication.txtobserved 4fd3fbb927949002bf269578530fb533...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T08:41:53.639621Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067263observed 97f39926a401e06e4e18d96d3b456349...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T08:41:53.589844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067263/manifest.jsonobserved 723fd005e4e2ff8803dcc9eddd029139...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T08:41:53.511969Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067263/publication.mdobserved e101630c967b1ffa86fb56d427bbd18d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T08:41:53.437196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000067263/publication.txtobserved 4fd3fbb927949002bf269578530fb533...fetched by grabo-systems from 34.44.131.203, 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. |
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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 |
|---|