OT-2026-000020174
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000020174) never changes.
Identity and time
| Publication number | OT-2026-000020174 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-7c06-bc24-3e54252e609c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020174 |
| Status | PUBLIC |
Content hashes
| Canonical text | 490671e224c03609769a0902e26f5cbd5859e588dcc5abe8a6962da46c5ca2d2 |
|---|---|
| Markdown | 20806d7331458f1c7de81f6ad1d8ea060f084bb3aa462f4718b884cb245ebf8f |
| Publication page | 2dbd828dc8e0582f073e998164fcd2d39319d951f224ddf519bbbfac06a1c2eb |
| Manifest | f7170a3a1d421b1c3d936d4f66de75a62f0451409d8a429cc258639643f9580d |
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 | KIztqdrr9Zu8VV6ia5kyqhkY4fiLxaLNUD7MWCXcM0q7h9nv978LJYhbMLhm1Gv8hAGFhwlitFP/GgzLdLynAw== |
| 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
| 2026-10-08T04:41:35.373971Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020174observed 2dbd828dc8e0582f073e998164fcd2d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-08T04:41:35.305979Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020174/manifest.jsonobserved f7170a3a1d421b1c3d936d4f66de75a6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:41:35.199621Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020174/publication.mdobserved 20806d7331458f1c7de81f6ad1d8ea06...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:41:35.073340Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020174/publication.txtobserved 490671e224c03609769a0902e26f5cbd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:29.608571Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020174observed 2dbd828dc8e0582f073e998164fcd2d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:29.590973Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020174/manifest.jsonobserved f7170a3a1d421b1c3d936d4f66de75a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:29.572589Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020174/publication.mdobserved 20806d7331458f1c7de81f6ad1d8ea06...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:29.553567Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020174/publication.txtobserved 490671e224c03609769a0902e26f5cbd...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|