OT-2026-000048238
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000048238) never changes.
Identity and time
| Publication number | OT-2026-000048238 · never reused |
|---|---|
| Internal UUID | 01a0ae80-4de3-708a-a9ac-4d1546715631 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:33:59.290761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048238 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7a5975c3ffbb36f897fd7ae6f2febafa565f5e6fee5ef72eb0760fc105892441 |
|---|---|
| Markdown | 67ba2024f8feba0f694acb326058ef3c1aa97660006e54b748456f883d539c37 |
| Publication page | 4a74bcc080cc58bbd4222af039a18ab6c3125c505030220a658ccfe8215d8bee |
| Manifest | ae1eac7eca2dbbc916de30fbad1644547113949b13dc3c3e7bfa554ef9c993e3 |
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 | L8uSpFG9tiDPzvLK3mSNQ7gzFsFZA8GtnimrETLZ6ZWD+JIbQ1GGbSVPgXfrkjE8jmkqLfyzj+ZYHLvtQx0DDw== |
| 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
| 2026-11-06T08:41:12.023400Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048238observed 4a74bcc080cc58bbd4222af039a18ab6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71 |
|---|---|
| 2026-11-06T08:41:11.962613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048238/manifest.jsonobserved ae1eac7eca2dbbc916de30fbad164454...fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71 |
| 2026-11-06T08:41:11.902685Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048238/publication.mdobserved 67ba2024f8feba0f694acb326058ef3c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71 |
| 2026-11-06T08:41:11.800438Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048238/publication.txtobserved 7a5975c3ffbb36f897fd7ae6f2febafa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 136.114.173.71 |
| 2026-09-25T00:41:37.059565Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048238observed 4a74bcc080cc58bbd4222af039a18ab6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:36.988827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048238/manifest.jsonobserved ae1eac7eca2dbbc916de30fbad164454...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:36.858701Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048238/publication.mdobserved 67ba2024f8feba0f694acb326058ef3c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T00:41:36.672843Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048238/publication.txtobserved 7a5975c3ffbb36f897fd7ae6f2febafa...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 |
|---|