OT-2026-000056386
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000056386) never changes.
Identity and time
| Publication number | OT-2026-000056386 · never reused |
|---|---|
| Internal UUID | 01a0ae87-4bd2-70ef-8421-5324844990ed · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:37.517586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056386 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5081bc658f3853cd16d589edee07364b0555f3eaca473a30bada43116de92ca7 |
|---|---|
| Markdown | f032bc9915b522f268a2c2bc9c3c78605523a2c95d83683382510d0c51a7eb08 |
| Publication page | 600cb0e8232c3e323915ffd9d21ec80d070a808fae6fd2e35e245aa074277be2 |
| Manifest | 0c5a64fa193a3c76540f50e714412d68c55b4e8cf4e937763a59c5af0bbbfd1d |
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 | WjLM95kUFLsiBDVr0vUy3s56mjKXd5448Dr1XGBSfOGkiI3syytSPWOGgA3y2K7VjDWY9uLlKEKot3zgR6m5DA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-10-29T00:41:10.845070Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056386observed 600cb0e8232c3e323915ffd9d21ec80d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T00:41:10.795348Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056386/manifest.jsonobserved 0c5a64fa193a3c76540f50e714412d68...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T00:41:10.739154Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056386/publication.mdobserved f032bc9915b522f268a2c2bc9c3c7860...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T00:41:10.631180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056386/publication.txtobserved 5081bc658f3853cd16d589edee07364b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T16:42:16.379277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056386observed 600cb0e8232c3e323915ffd9d21ec80d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T16:42:16.290983Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056386/manifest.jsonobserved 0c5a64fa193a3c76540f50e714412d68...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T16:42:16.188816Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056386/publication.mdobserved f032bc9915b522f268a2c2bc9c3c7860...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T16:42:16.006404Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056386/publication.txtobserved 5081bc658f3853cd16d589edee07364b...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 |
|---|