OT-2026-000040931
Publication integrity record
Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000040931) never changes.
Identity and time
| Publication number | OT-2026-000040931 · never reused |
|---|---|
| Internal UUID | 01a0ae79-6d10-7ed7-ad78-b5b542d07ab5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:26:28.516236Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000040931 |
| Status | PUBLIC |
Content hashes
| Canonical text | 43c83255647de218dfa8ce7c9b41fa43b6964ffccb075d891421e058574bedbf |
|---|---|
| Markdown | 9ff51bff178df66ef6cca0ef4c86af3a5f53c5775e878d84d7c51d90b313fc6d |
| Publication page | 3666eaf82b7854801b97e3397426424f9c590d59aa6b932228a20128fe93a349 |
| Manifest | cd71862431885f1a1e6553e0bc26019dc72a03072ed4a7c3a04e3ae1400a4760 |
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 | cktipgFuecVL3Y0LfiPU1MN1QwbagxAHWw0TmzlEgOg2+0CD08RT+Q8T5s4cIoqGZz+vQ0Vw+OAVN9JL7OGoAw== |
| 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
| 2026-10-21T08:41:41.319401Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040931observed 3666eaf82b7854801b97e3397426424f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-21T08:41:41.217021Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040931/manifest.jsonobserved cd71862431885f1a1e6553e0bc26019d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T08:41:41.113231Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040931/publication.mdobserved 9ff51bff178df66ef6cca0ef4c86af3a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T08:41:40.981209Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040931/publication.txtobserved 43c83255647de218dfa8ce7c9b41fa43...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T00:41:25.331111Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040931observed 3666eaf82b7854801b97e3397426424f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T00:41:25.262915Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040931/manifest.jsonobserved cd71862431885f1a1e6553e0bc26019d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T00:41:25.192195Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040931/publication.mdobserved 9ff51bff178df66ef6cca0ef4c86af3a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T00:41:25.065838Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040931/publication.txtobserved 43c83255647de218dfa8ce7c9b41fa43...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 |
|---|