OT-2026-000053198
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, pump fed, 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-2026-000053198) never changes.
Identity and time
| Publication number | OT-2026-000053198 · never reused |
|---|---|
| Internal UUID | 01a0ae85-0a14-7d3d-b9ba-bcb3cfba3ebd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:09.762364Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053198 |
| Status | PUBLIC |
Content hashes
| Canonical text | 64183b2464c5ecdcc89a97ceab8066abbe394ea7a3da9d7c0f5d41017cbf0fb8 |
|---|---|
| Markdown | 9ff52902f31710d7fb4a6bcb8ec92706436612cfd1f6dfbd333b269a2c85d6a4 |
| Publication page | 6d867ea32299e83848e06b4a9e12017668f7aee4678203a874fc5aa7842e01a2 |
| Manifest | 6c3036f2bd819c184bb446c3c52201ca46439b03df27fbd73a3bf15f2c807841 |
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 | pGs8MNdAVisryV+dUo9ttlKfq8S1TOIsemX1NHwJIwZvOy1JN+uzDvvU1iPvM/kZdc0ZdPLkfLG3ZVV+1YagDQ== |
| 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
| 2026-10-26T04:41:31.719048Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053198observed 6d867ea32299e83848e06b4a9e120176...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T04:41:31.653395Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053198/manifest.jsonobserved 6c3036f2bd819c184bb446c3c52201ca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T04:41:31.579798Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053198/publication.mdobserved 9ff52902f31710d7fb4a6bcb8ec92706...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T04:41:31.484570Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053198/publication.txtobserved 64183b2464c5ecdcc89a97ceab8066ab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T08:41:57.521685Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053198observed 6d867ea32299e83848e06b4a9e120176...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T08:41:57.450442Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053198/manifest.jsonobserved 6c3036f2bd819c184bb446c3c52201ca...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T08:41:57.347109Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053198/publication.mdobserved 9ff52902f31710d7fb4a6bcb8ec92706...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T08:41:57.192153Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053198/publication.txtobserved 64183b2464c5ecdcc89a97ceab8066ab...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 |
|---|