OT-2026-000034411
Publication integrity record
Three cup vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000034411) never changes.
Identity and time
| Publication number | OT-2026-000034411 · never reused |
|---|---|
| Internal UUID | 01a0ae75-df0f-7631-8bf8-5816fd146ea8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:22:35.550760Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000034411 |
| Status | PUBLIC |
Content hashes
| Canonical text | ebf5edbd4e167bdf268421c1350a5e64d99eb4ecb667ef67190c67e75ba99709 |
|---|---|
| Markdown | 9d7ba686d57b3a929b92b235cc0b9e11cd3d38f443bb31d778107c0137dfbdce |
| Publication page | fb46a1afe3fe2c45c072d52e9c33e255e7030f2c52722ebb1156e8425430a1c7 |
| Manifest | 57677a860f8d21ee853d85353676364feaa14b4a2e3a8663f4872800beaa54ac |
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 | H5ZWqqfFYU8yRyaE+V5SUvuLuEiEP0eV9N87g3Mu5DYq4AOVqU+SRlz6kIyHPYT7jrcTzTwP70JXiSvppiWDCA== |
| 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
| 2026-10-12T20:41:37.512236Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034411observed fb46a1afe3fe2c45c072d52e9c33e255...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-12T20:41:37.464665Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034411/manifest.jsonobserved 57677a860f8d21ee853d85353676364f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T20:41:37.415500Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034411/publication.mdobserved 9d7ba686d57b3a929b92b235cc0b9e11...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T20:41:37.351852Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034411/publication.txtobserved ebf5edbd4e167bdf268421c1350a5e64...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T08:41:45.251967Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034411observed fb46a1afe3fe2c45c072d52e9c33e255...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T08:41:45.168381Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034411/manifest.jsonobserved 57677a860f8d21ee853d85353676364f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T08:41:45.098313Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034411/publication.mdobserved 9d7ba686d57b3a929b92b235cc0b9e11...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T08:41:45.009375Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034411/publication.txtobserved ebf5edbd4e167bdf268421c1350a5e64...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 |
|---|