OT-2026-000020178
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000020178) never changes.
Identity and time
| Publication number | OT-2026-000020178 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-75c0-ac36-5bd73de42bef · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020178 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6f7cdaa084cc1884da4fbbb496c699813e8968a7a9ece93b391483b3702c1504 |
|---|---|
| Markdown | 70bab409fa3d8281a5c42d426a2c21661cc2ccd66f326c8bef4bc6877d688d2d |
| Publication page | b2148fe2fb2ba91f880b89f349cde6d02340ce98035824de517cfe4867ce4922 |
| Manifest | f0354d090f7c837060b37698bc0da46a1121b65374907aca706a9c8cc764c199 |
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 | RZw6O2Tlgn1dUCTFiKdiy/rPEN1ppr8ZpSQQTuV1OHTraLxr0x0EIsQyIw3jE1rac+CA5LtyDPwI6wqGhYoTBw== |
| 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
| 2026-10-25T16:41:16.383305Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020178observed b2148fe2fb2ba91f880b89f349cde6d0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-25T16:41:16.335886Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020178/manifest.jsonobserved f0354d090f7c837060b37698bc0da46a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T16:41:16.265098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020178/publication.mdobserved 70bab409fa3d8281a5c42d426a2c2166...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T16:41:16.103370Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020178/publication.txtobserved 6f7cdaa084cc1884da4fbbb496c69981...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T04:23:24.685013Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020178observed b2148fe2fb2ba91f880b89f349cde6d0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-20T04:23:24.667852Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020178/manifest.jsonobserved f0354d090f7c837060b37698bc0da46a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-20T04:23:24.650998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020178/publication.mdobserved 70bab409fa3d8281a5c42d426a2c2166...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-20T04:23:24.600017Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020178/publication.txtobserved 6f7cdaa084cc1884da4fbbb496c69981...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|