OT-2026-000049946
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000049946) never changes.
Identity and time
| Publication number | OT-2026-000049946 · never reused |
|---|---|
| Internal UUID | 01a0ae81-fd77-75bf-a71f-6fdbf64b9759 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:49.774136Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049946 |
| Status | PUBLIC |
Content hashes
| Canonical text | e0c900136458e7a6db14bda8ed265ec31a6bae344dc3605077081cb211a16d5a |
|---|---|
| Markdown | f51d37e5f9a0c611ec4076a7d453ea9fc7f337dbfeffd9cd4d2286cabbf2f259 |
| Publication page | e6ab4f63950499babe8134f0a30f8f6b2d58af405df31ecab3ee07e4939b3563 |
| Manifest | 614b823e064bce1ece39976c39e41a57bf12177aebffbe46fba7878b51ba1c3a |
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 | BVfVZq8anaPMVOhBcgOCoGRacmBTDwVylzfSVliMm1KZActrZCSF/6BBqC2o5/96d0eW+2xv2RZV9YuZ4WobBA== |
| 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
| 2026-10-15T16:41:37.877047Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049946observed e6ab4f63950499babe8134f0a30f8f6b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-15T16:41:37.767156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049946/manifest.jsonobserved 614b823e064bce1ece39976c39e41a57...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T16:41:37.665017Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049946/publication.mdobserved f51d37e5f9a0c611ec4076a7d453ea9f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T16:41:36.783283Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049946/publication.txtobserved e0c900136458e7a6db14bda8ed265ec3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T16:41:37.723610Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049946observed e6ab4f63950499babe8134f0a30f8f6b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T16:41:37.674182Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049946/manifest.jsonobserved 614b823e064bce1ece39976c39e41a57...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T16:41:37.625439Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049946/publication.mdobserved f51d37e5f9a0c611ec4076a7d453ea9f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T16:41:37.567988Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049946/publication.txtobserved e0c900136458e7a6db14bda8ed265ec3...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 |
|---|