OT-2026-000042401
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000042401) never changes.
Identity and time
| Publication number | OT-2026-000042401 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d75-7ae9-9f5e-66f4f0776a6a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042401 |
| Status | PUBLIC |
Content hashes
| Canonical text | 828cf44bd492885270e98f2b7ee812bdbc970031bd42f17bbe312b3b5881fa8b |
|---|---|
| Markdown | f54b18c61a606df760f382106cc4c1d45eabc33e250abe1c09ec4ea0764727e1 |
| Publication page | 48a8890ec950539b9bc57242ed8ffeaa27eca51c2338fa26b37864078e1876fc |
| Manifest | 2a09d7466da865155b0ab4ce6ecaf1964833a139ff4cacdf3776160d05f069fb |
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 | EapsYwkeSSRreJtFQhuGLrIQlgSE3DKSz7UvlCfCPmOjNxMtfNgGYScKOk5m6y2e2sbfXBrn8mTCuHmg04ToBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-11-02T00:41:45.312221Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042401observed 48a8890ec950539b9bc57242ed8ffeaa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-02T00:41:45.262438Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042401/manifest.jsonobserved 2a09d7466da865155b0ab4ce6ecaf196...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T00:41:45.213524Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042401/publication.mdobserved f54b18c61a606df760f382106cc4c1d4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T00:41:45.004050Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042401/publication.txtobserved 828cf44bd492885270e98f2b7ee812bd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:41:28.027955Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042401observed 48a8890ec950539b9bc57242ed8ffeaa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:41:27.919219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042401/manifest.jsonobserved 2a09d7466da865155b0ab4ce6ecaf196...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:41:27.798565Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042401/publication.mdobserved f54b18c61a606df760f382106cc4c1d4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T04:41:27.697273Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042401/publication.txtobserved 828cf44bd492885270e98f2b7ee812bd...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 |
|---|