OT-2026-000022241
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000022241) never changes.
Identity and time
| Publication number | OT-2026-000022241 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-f4fc-79f3-bc2d-3f277212eae6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:07.953226Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022241 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2583f030f89cfac7e88b8fc45ae6bfb18c0b46245b1bcc90da10f87e7e56ff71 |
|---|---|
| Markdown | e216bbc6238769306df09f28fe76a1bfce7db134c87ef1bfd366a3cc3327abb8 |
| Publication page | 3d6b64ee07401b5c30941e562f39e0f99f824ca40f3dd7fd272fe28be1f227bf |
| Manifest | 75abf301318f813367bc04144d66ba37766bb23e19b1b281af70ee9911bd9e8e |
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 | FVJ2n5Q4r15eCtnsQScP+ndqqm3C+DYtMxFpnrzok9PIJxODW78kkpQxSkMpl42DwSYs2z8DipgJ59+dufURAw== |
| 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
| 2026-10-13T04:41:51.115530Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022241observed 3d6b64ee07401b5c30941e562f39e0f9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-13T04:41:51.059352Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022241/manifest.jsonobserved 75abf301318f813367bc04144d66ba37...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:41:50.947645Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022241/publication.mdobserved e216bbc6238769306df09f28fe76a1bf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:41:50.770883Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022241/publication.txtobserved 2583f030f89cfac7e88b8fc45ae6bfb1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T20:42:13.399307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022241observed 3d6b64ee07401b5c30941e562f39e0f9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T20:42:13.215227Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022241/manifest.jsonobserved 75abf301318f813367bc04144d66ba37...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T20:42:13.109068Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022241/publication.mdobserved e216bbc6238769306df09f28fe76a1bf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T20:42:12.992339Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022241/publication.txtobserved 2583f030f89cfac7e88b8fc45ae6bfb1...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 |
|---|