OT-2026-000074168
Publication integrity record
Two bellows cup 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-2026-000074168) never changes.
Identity and time
| Publication number | OT-2026-000074168 · never reused |
|---|---|
| Internal UUID | 01a0ae93-7178-734a-a677-4818606f064e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:53.574555Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074168 |
| Status | PUBLIC |
Content hashes
| Canonical text | fc0d23cae2237674420feabc0d331faeb630ca5d2368af257caa1f5940c228ce |
|---|---|
| Markdown | 19c31d7b61e017a536aaf0b241720fe86d885b0f5d6e1211f2335dbbbfc81ae1 |
| Publication page | 452484eca2d31f52a5cf8002f74c08c20403161524c70ee9516f5288f14ddbac |
| Manifest | 502497b0f77561693bee5eb8a993d4c99b0b6f1b302a8a944606b5e0c3c0bd3b |
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 | LEiIGu9irgrsG966Jszj3MXrNyBVBaDuF6OGRW9dXXePw9FlZWb5kJWYLtbLtY38wuyjZI51ehQQYbjJv9/vDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-23T20:41:12.828241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074168observed 452484eca2d31f52a5cf8002f74c08c2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T20:41:12.734459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074168/manifest.jsonobserved 502497b0f77561693bee5eb8a993d4c9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T20:41:12.666021Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074168/publication.mdobserved 19c31d7b61e017a536aaf0b241720fe8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T20:41:12.523485Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074168/publication.txtobserved fc0d23cae2237674420feabc0d331fae...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T12:41:12.648461Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074168observed 452484eca2d31f52a5cf8002f74c08c2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T12:41:12.593785Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074168/manifest.jsonobserved 502497b0f77561693bee5eb8a993d4c9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T12:41:12.526501Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074168/publication.mdobserved 19c31d7b61e017a536aaf0b241720fe8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T12:41:12.411735Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074168/publication.txtobserved fc0d23cae2237674420feabc0d331fae...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 |
|---|