OT-2026-000028986
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before set-down
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-2026-000028986) never changes.
Identity and time
| Publication number | OT-2026-000028986 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-74ea-95fb-40a6facb15cf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028986 |
| Status | PUBLIC |
Content hashes
| Canonical text | f198c84dbf86302e7c12841430a0a3769afd066f6bd796e458b5e255029f4922 |
|---|---|
| Markdown | 26353ad43ebebdfda525acf46d1674e322e9a12f987e1a3a09a684ec5f5708f3 |
| Publication page | 3fe85b83e35a738cf6e53f350a75d5f0fc1c3830b68fde8f044a29f7126cd600 |
| Manifest | 521658b5a2fed1bd1f2c9576731da8e24c23d7777c8f8a46c6bb246ac48a2264 |
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 | d2RsYvTz+N1HKW2Cr7k3xIs5QB0hy2N6cQ27P9EMR39GNylRcuROOX13cDe+fSQA05kNiWwbafOatBnfNdb0CA== |
| 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
| 2026-10-19T08:41:38.603791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028986observed 3fe85b83e35a738cf6e53f350a75d5f0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-19T08:41:38.545807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028986/manifest.jsonobserved 521658b5a2fed1bd1f2c9576731da8e2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T08:41:38.478336Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028986/publication.mdobserved 26353ad43ebebdfda525acf46d1674e3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T08:41:38.392156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028986/publication.txtobserved f198c84dbf86302e7c12841430a0a376...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T20:41:28.840142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028986observed 3fe85b83e35a738cf6e53f350a75d5f0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T20:41:28.736873Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028986/manifest.jsonobserved 521658b5a2fed1bd1f2c9576731da8e2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T20:41:28.664359Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028986/publication.mdobserved 26353ad43ebebdfda525acf46d1674e3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T20:41:28.496060Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028986/publication.txtobserved f198c84dbf86302e7c12841430a0a376...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 |
|---|