OT-2026-000091281
Publication integrity record
Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off before set-down
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-2026-000091281) never changes.
Identity and time
| Publication number | OT-2026-000091281 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-f16c-79ca-9745-ec12cf450a7e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:16.158740Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091281 |
| Status | PUBLIC |
Content hashes
| Canonical text | abca9f7f09d7320747162ff7712b64ebbf0686298f1fc19b1663f4428de1e517 |
|---|---|
| Markdown | 345ec57fb9d2387b1fc38b5c32dea870fcb2993d83dbc06a321ae29d02d193a9 |
| Publication page | f1b547dddda9d815a4907c866c4ed46df135caefe25208736c50f1165e2640fc |
| Manifest | 66187eba973ffad75e92c708ca13339a2b89a3e14d0a349b4ae8fa77968ac504 |
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 | jFH9JFRXJO66i9UAxxMQ6TNAzdbbaltTRH8ARzeL9j0eqDuWi2h4sP4j79smtx8nVaDzvRknRG3oUS1tTchVBQ== |
| 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
| 2026-09-23T04:41:35.014640Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091281observed f1b547dddda9d815a4907c866c4ed46d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-23T04:41:34.918209Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091281/manifest.jsonobserved 66187eba973ffad75e92c708ca13339a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:41:34.841989Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091281/publication.mdobserved 345ec57fb9d2387b1fc38b5c32dea870...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:41:34.714466Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091281/publication.txtobserved abca9f7f09d7320747162ff7712b64eb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T20:41:19.649576Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091281observed f1b547dddda9d815a4907c866c4ed46d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T20:41:19.592060Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091281/manifest.jsonobserved 66187eba973ffad75e92c708ca13339a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T20:41:19.542628Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091281/publication.mdobserved 345ec57fb9d2387b1fc38b5c32dea870...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T20:41:19.485952Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091281/publication.txtobserved abca9f7f09d7320747162ff7712b64eb...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. |
|---|
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 |
|---|