OT-2026-000057018
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000057018) never changes.
Identity and time
| Publication number | OT-2026-000057018 · never reused |
|---|---|
| Internal UUID | 01a0ae87-d5b6-756a-8eda-21b9b36485b8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:12.973410Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057018 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6b6c941b6bad99ff3192ad22decd8fc3abf45104af1ef182991e845eaedab065 |
|---|---|
| Markdown | 7c0609962540e2f786e5d22f49802c06db7aad887dade22bd188758c5b0435b1 |
| Publication page | fedb3e4431220d5545179b267e97d7bf1e69c429ccb4855a359cda3b04089be4 |
| Manifest | d13c4fa26881dfad5eef7820d65b93f536882996522b10e13009c4dbd39f8fe4 |
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 | /13K5lvxMbNH1TpUnm4MF7CnUrh0j1LXsGbwjOtte/s+riA1+Dtf/IcivKVnWbJPZ+wqI9SMdyEeKpiltzGXCw== |
| 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
| 2026-10-19T00:41:46.936610Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057018observed fedb3e4431220d5545179b267e97d7bf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-19T00:41:46.886279Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057018/manifest.jsonobserved d13c4fa26881dfad5eef7820d65b93f5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T00:41:46.834141Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057018/publication.mdobserved 7c0609962540e2f786e5d22f49802c06...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T00:41:46.680743Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057018/publication.txtobserved 6b6c941b6bad99ff3192ad22decd8fc3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T04:42:04.439513Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057018observed fedb3e4431220d5545179b267e97d7bf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T04:42:04.352696Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057018/manifest.jsonobserved d13c4fa26881dfad5eef7820d65b93f5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T04:42:04.241679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057018/publication.mdobserved 7c0609962540e2f786e5d22f49802c06...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T04:42:04.073829Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057018/publication.txtobserved 6b6c941b6bad99ff3192ad22decd8fc3...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 |
|---|