OT-2026-000003498
Publication integrity record
Bellows cup vacuum gripper with pressure verification before the lift is permitted
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-2026-000003498) never changes.
Identity and time
| Publication number | OT-2026-000003498 · never reused |
|---|---|
| Internal UUID | 01a0a906-d6e9-7dbc-9678-3a2af2bba644 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:03:12.876255Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003498 |
| Status | PUBLIC |
Content hashes
| Canonical text | 83c160a36fa9b30cd71b27a6bf4c0bbefd3da46864ba0c19e3b25267de3dc582 |
|---|---|
| Markdown | 2e9d8dcd648d1de4e8a319a9292b8b25b3ea5c8413553f1bfbf82aaa5d2677b1 |
| Publication page | 5fc776566c7ddf7a0e26d71eaeeb1dffaf26b65ffc8e0d8c02cf1b27805193f0 |
| Manifest | 5bbfd6c7f38e3f665335dae39f3e7e6936b9e2e2ecc2d9713a9c2dfee5ab0924 |
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 | OD8+0g3XaKPGxh1IQuu/tvza4jpsdYJrD/6WtdQ5186ki+zpS1g+nztoZH9F4taVS2Bxk7Xkye2yuP/8o9hJAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:07:02Z batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof root e9da7eb1c397f1749e5915c5a39dbbcf... |
|---|
Independent retrieval
| 2026-09-16T09:00:35.260684Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003498observed 5fc776566c7ddf7a0e26d71eaeeb1dff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:00:35.247262Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003498/manifest.jsonobserved 5bbfd6c7f38e3f665335dae39f3e7e69...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:35.233603Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003498/publication.mdobserved 2e9d8dcd648d1de4e8a319a9292b8b25...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:35.217591Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003498/publication.txtobserved 83c160a36fa9b30cd71b27a6bf4c0bbe...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|