OT-2026-000011790
Publication integrity record
Single cup vacuum gripper, common isolation valve, three stage ejector, pulsed blow-off before set-down, on a tool changer
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-2026-000011790) never changes.
Identity and time
| Publication number | OT-2026-000011790 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-1941-725f-9f6e-2d96c2ff9292 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:00.631271Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000011790 |
| Status | PUBLIC |
Content hashes
| Canonical text | ce96ca03974b0d9656b91dd8470ce43d47e3ea004cef5b78e8ae02cc047371cf |
|---|---|
| Markdown | 050481a2e9fdf26956976510affc8ce98bf1c7b71f5ca63a3f5bdc391c93bc0f |
| Publication page | ae35a1006cffa72e495c172d378d947c39861330f543f0d0ceeb8c38de4d9ffe |
| Manifest | 781dffce1ad1804cd0366d4f66f74e6b884368ae6506990cbd18cdf64c537d7c |
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 | L/qxaQ6PJ3+9lhtD5Ehj3WBShCDP47TqDhGrlkCI4VXQxH5se2urIK2S2A2FoxDiFNA0jy//BUyrHX/oyDFABQ== |
| 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
| 2026-10-29T00:41:32.430021Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011790observed ae35a1006cffa72e495c172d378d947c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T00:41:32.352267Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011790/manifest.jsonobserved 781dffce1ad1804cd0366d4f66f74e6b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T00:41:32.267820Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011790/publication.mdobserved 050481a2e9fdf26956976510affc8ce9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T00:41:32.180407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011790/publication.txtobserved ce96ca03974b0d9656b91dd8470ce43d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T12:41:32.245413Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011790observed ae35a1006cffa72e495c172d378d947c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T12:41:32.195814Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011790/manifest.jsonobserved 781dffce1ad1804cd0366d4f66f74e6b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T12:41:32.138143Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011790/publication.mdobserved 050481a2e9fdf26956976510affc8ce9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T12:41:32.075206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011790/publication.txtobserved ce96ca03974b0d9656b91dd8470ce43d...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 |
|---|