OT-2026-000003549
Publication integrity record
Bellows cup vacuum gripper, per zone isolation, six outlet manifold, two stage ejector, pressure verified
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-2026-000003549) never changes.
Identity and time
| Publication number | OT-2026-000003549 · never reused |
|---|---|
| Internal UUID | 01a0a90a-59ff-7dc3-9420-da0d21fc99e9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:03.041678Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003549 |
| Status | PUBLIC |
Content hashes
| Canonical text | ec581229057babab4563299db53270ea0ebbcfdfabc914e82fab7c8c85547f50 |
|---|---|
| Markdown | 1f64632fac45df85c064a3d322bc98037ff1b3d8d74a4973f8d37dff70ac3666 |
| Publication page | 1437bf2cc416b27fcb87b381fb8a7c47ec7e9e9fa35536d55e129cf6b942a38b |
| Manifest | c069308a2b02fa7f87096dd3a8fb560802da2ad965fa51055b7bd70b3149129a |
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 | hqPGoJIQFrXvIrGKJ5ZgOWlhzwGWapXUhuqMGRP6O/geG4/XMceynQ1Ig49UjLgUy9MHV5xDnVS+MTnKl99NDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-10-07T16:41:11.180325Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003549observed 1437bf2cc416b27fcb87b381fb8a7c47...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-07T16:41:11.079059Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003549/manifest.jsonobserved c069308a2b02fa7f87096dd3a8fb5608...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T16:41:10.918132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003549/publication.mdobserved 1f64632fac45df85c064a3d322bc9803...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T16:41:10.751340Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003549/publication.txtobserved ec581229057babab4563299db53270ea...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T12:43:14.058914Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003549observed 1437bf2cc416b27fcb87b381fb8a7c47...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T12:43:13.794613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003549/manifest.jsonobserved c069308a2b02fa7f87096dd3a8fb5608...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T12:43:13.590686Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003549/publication.mdobserved 1f64632fac45df85c064a3d322bc9803...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T12:43:13.384774Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003549/publication.txtobserved ec581229057babab4563299db53270ea...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 |
|---|