OT-2026-000072181
Publication integrity record
Three cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000072181) never changes.
Identity and time
| Publication number | OT-2026-000072181 · never reused |
|---|---|
| Internal UUID | 01a0ae92-47c2-7607-b365-c8d4387c00ed · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:37.365346Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072181 |
| Status | PUBLIC |
Content hashes
| Canonical text | 76474a218d63f92e732b8bafe76006f1e126dd126c70cd60bd46622391f1b436 |
|---|---|
| Markdown | d13b6fc82969f88f929be4c789b937104ecd491cafb4b7e38d79834e982adb12 |
| Publication page | 7f3367d4a95f5e1cddb5673692039c6a97468a734933df1f8f28b0e63ba1c611 |
| Manifest | 9b7dc784b84817b7929a974821d7b28f72bdd2fcc0a47a7f7397516d03e59cc8 |
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 | iDLr4iUQ8W4Uy00n5YZdF+M45Vo/iCq1JLL0y0Df/EBCkEkS2oEUtieaVcyBLLAQDgCnhYNryvuH/uRIZmy5Cw== |
| 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
| 2026-10-27T20:41:14.571009Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072181observed 7f3367d4a95f5e1cddb5673692039c6a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-27T20:41:14.511634Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072181/manifest.jsonobserved 9b7dc784b84817b7929a974821d7b28f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T20:41:14.460692Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072181/publication.mdobserved d13b6fc82969f88f929be4c789b93710...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T20:41:14.384269Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072181/publication.txtobserved 76474a218d63f92e732b8bafe76006f1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T16:41:38.692635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072181observed 7f3367d4a95f5e1cddb5673692039c6a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T16:41:38.618533Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072181/manifest.jsonobserved 9b7dc784b84817b7929a974821d7b28f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T16:41:38.542169Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072181/publication.mdobserved d13b6fc82969f88f929be4c789b93710...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T16:41:38.335269Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072181/publication.txtobserved 76474a218d63f92e732b8bafe76006f1...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 |
|---|