OT-2026-000068975
Publication integrity record
Three bellows cup vacuum gripper, three zone face, four outlet manifold, 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-2026-000068975) never changes.
Identity and time
| Publication number | OT-2026-000068975 · never reused |
|---|---|
| Internal UUID | 01a0ae90-6dcd-7718-8f4e-4094996def2d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:51:36.025578Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000068975 |
| Status | PUBLIC |
Content hashes
| Canonical text | c220a1aab11eb7308f4680be0a3907a03f2958edc79f0c00309ab1e2d2e5222e |
|---|---|
| Markdown | 9ef6506c5cb7cbabad9ca3d3e28f8a0398ebc6edec7c15ef4ae9400ce86822c2 |
| Publication page | 8769d98709426d24da01d7afb2b82ae10aade1576c96673f35a34c82b7c491b6 |
| Manifest | d58287e107f0bdab13ba58b3d6c85439ce64789782329522668ddaf2b99ab9da |
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 | 0mPckLEIXnSBK2pSMKCBycucy0MT9OheatcYQ1eV73ebYzl+wz6HChQsZ3ieX6bWewN1Pc/gz7TEQwNQS7miCA== |
| 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
| 2026-09-20T16:43:58.189826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068975observed 8769d98709426d24da01d7afb2b82ae1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-20T16:43:57.996197Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068975/manifest.jsonobserved d58287e107f0bdab13ba58b3d6c85439...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T16:43:57.846194Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068975/publication.mdobserved 9ef6506c5cb7cbabad9ca3d3e28f8a03...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T16:43:57.633868Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068975/publication.txtobserved c220a1aab11eb7308f4680be0a3907a0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:42:17.579661Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068975observed 8769d98709426d24da01d7afb2b82ae1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:42:17.419160Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068975/manifest.jsonobserved d58287e107f0bdab13ba58b3d6c85439...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:42:17.118528Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068975/publication.mdobserved 9ef6506c5cb7cbabad9ca3d3e28f8a03...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:42:16.956098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068975/publication.txtobserved c220a1aab11eb7308f4680be0a3907a0...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 |
|---|