OT-2026-000090802
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000090802) never changes.
Identity and time
| Publication number | OT-2026-000090802 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f32-7783-b1b5-798e7a8b4cf8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090802 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3998336a3e798eb0c985319422114e9769a2d37d1da17571b3398d34c61bd898 |
|---|---|
| Markdown | d2f15d75cdce74ae69fd3d88a2654416ff2365b4301182a942e15f474560bddf |
| Publication page | 18aaa690eff6ff19c1be07ca5375be6395a2cf75eff452c3710a195dd6306c38 |
| Manifest | 7ae7f171ece4a1c649613d7c9af6b01dbe23d8b6564b1416b991880c19128c71 |
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 | tS5yZPo4kaa1oBtDdom6uGKztje5YE2JeyEAOcoyWnVTvOUNjx8ChH4zM7WTxwqBGmZ/rSxkPgyUNvBYyFHyCg== |
| 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
| 2026-10-28T20:41:14.050281Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090802observed 18aaa690eff6ff19c1be07ca5375be63...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T20:41:13.982681Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090802/manifest.jsonobserved 7ae7f171ece4a1c649613d7c9af6b01d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T20:41:13.904847Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090802/publication.mdobserved d2f15d75cdce74ae69fd3d88a2654416...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T20:41:13.827614Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090802/publication.txtobserved 3998336a3e798eb0c985319422114e97...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T12:42:17.431923Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090802observed 18aaa690eff6ff19c1be07ca5375be63...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T12:42:17.360864Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090802/manifest.jsonobserved 7ae7f171ece4a1c649613d7c9af6b01d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T12:42:17.284161Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090802/publication.mdobserved d2f15d75cdce74ae69fd3d88a2654416...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T12:42:17.209094Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090802/publication.txtobserved 3998336a3e798eb0c985319422114e97...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 |
|---|