OT-2026-000006305
Publication integrity record
Porous face vacuum gripper, per zone isolation, two stage ejector
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-2026-000006305) never changes.
Identity and time
| Publication number | OT-2026-000006305 · never reused |
|---|---|
| Internal UUID | 01a0a956-3d3f-795c-8f74-f8f21fc3e230 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:29:56.417796Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006305 |
| Status | PUBLIC |
Content hashes
| Canonical text | 218ae51a8a281898db87f86b31006084fa7c6624c96a4039b7e657fdcc542950 |
|---|---|
| Markdown | 6176fba2d269f53990bb409a6f55fe816e52dbfac04d053adb890ad25ed0b2b4 |
| Publication page | cb73bd561b30babe541214405d6393a8dec6c3cf44e3a14c524d477a311523d0 |
| Manifest | 0e81d7dc2f0654cd17a1839d921997763e350c79047586ee63aff55d8fff02fc |
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 | PWsdKi/UgM4Hrh4v6GpNylYidUhMJveoxEnrNGwOxKZPcVzpDcXdBa1eDq9cjgm6sZ+Y3ZWmyUziirgfSSvtAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-10-24T20:41:50.333943Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006305observed cb73bd561b30babe541214405d6393a8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T20:41:50.285117Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006305/manifest.jsonobserved 0e81d7dc2f0654cd17a1839d92199776...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T20:41:50.235755Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006305/publication.mdobserved 6176fba2d269f53990bb409a6f55fe81...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T20:41:50.109212Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006305/publication.txtobserved 218ae51a8a281898db87f86b31006084...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T00:41:08.487757Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006305observed cb73bd561b30babe541214405d6393a8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T00:41:08.373905Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006305/manifest.jsonobserved 0e81d7dc2f0654cd17a1839d92199776...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T00:41:08.243586Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006305/publication.mdobserved 6176fba2d269f53990bb409a6f55fe81...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T00:41:08.076674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006305/publication.txtobserved 218ae51a8a281898db87f86b31006084...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 |
|---|