OT-2026-000030169
Publication integrity record
Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000030169) never changes.
Identity and time
| Publication number | OT-2026-000030169 · never reused |
|---|---|
| Internal UUID | 01a0ae73-e500-7e13-bd57-de31b9927ff3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:26.007257Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030169 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1e466a021189f20eefa17d8fc2e69d1fdda7cf2708b0c7b6122fa886e303f126 |
|---|---|
| Markdown | 22b68ed7d264dbdf05b0e17baaf13f61ec57234d755b5f430d33e0b25a25ccb5 |
| Publication page | 090983110fdf14726a14a16790128e8710f4b0f47df8ab7301e0a404a0cfae73 |
| Manifest | 18c2b2b8172e6195de29fa331c37295bc80479430ea3d8a29a828273cc146ed0 |
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 | tVzUD4OcYhi6xW2s9qDUTu8/rPlNjaqdMF7tXs/WfUwUvGn+9kVApXAUI3i/oU6QplqgMN/M+aEJf36PMwTHBw== |
| 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
| 2026-09-25T04:41:39.240226Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030169observed 090983110fdf14726a14a16790128e87...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-25T04:41:39.144433Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030169/manifest.jsonobserved 18c2b2b8172e6195de29fa331c37295b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:39.060979Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030169/publication.mdobserved 22b68ed7d264dbdf05b0e17baaf13f61...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:38.915839Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030169/publication.txtobserved 1e466a021189f20eefa17d8fc2e69d1f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T20:41:17.567653Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030169observed 090983110fdf14726a14a16790128e87...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T20:41:17.417678Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030169/manifest.jsonobserved 18c2b2b8172e6195de29fa331c37295b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T20:41:17.266403Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030169/publication.mdobserved 22b68ed7d264dbdf05b0e17baaf13f61...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T20:41:17.005977Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030169/publication.txtobserved 1e466a021189f20eefa17d8fc2e69d1f...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 |
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