OT-2026-000037900
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained 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-2026-000037900) never changes.
Identity and time
| Publication number | OT-2026-000037900 · never reused |
|---|---|
| Internal UUID | 01a0ae77-f88a-7d23-896e-bd503e30a0d5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:24:53.146436Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000037900 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7b3a42c390ba796659690f1fd208b5c81b05b1ba0f6d97540ca194d0172e31c2 |
|---|---|
| Markdown | 5ddaf6ecc94675f5418b19b6d6c7aaa85506ecec4da83be1fdc1ac4b0b156436 |
| Publication page | bbb155ea9c290a3656657df57d25c7571bcad0ead8e7b9a7cf6e1cca4cefa485 |
| Manifest | f2965138bfb44afdd4dc76a4d347a6cc5514d1bac995569cc158ebb127d414b7 |
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 | Sd4bPcUopimqO6HuSsESyptLBVL8AuAy/mtvACmvT9NrFK5/KuMpVBkKEh1kYOkORLw5vlpEDzAafMO48H08CA== |
| 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
| 2026-11-03T08:41:28.194765Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037900observed bbb155ea9c290a3656657df57d25c757...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T08:41:28.136903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037900/manifest.jsonobserved f2965138bfb44afdd4dc76a4d347a6cc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T08:41:28.044568Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037900/publication.mdobserved 5ddaf6ecc94675f5418b19b6d6c7aaa8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T08:41:27.956380Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037900/publication.txtobserved 7b3a42c390ba796659690f1fd208b5c8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:41:30.711979Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037900observed bbb155ea9c290a3656657df57d25c757...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:41:30.650456Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037900/manifest.jsonobserved f2965138bfb44afdd4dc76a4d347a6cc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:41:30.580393Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037900/publication.mdobserved 5ddaf6ecc94675f5418b19b6d6c7aaa8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:41:30.460509Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037900/publication.txtobserved 7b3a42c390ba796659690f1fd208b5c8...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 |
|---|