OT-2026-000007450
Publication integrity record
Vacuum cup gripper, common isolation valve, two outlet manifold, pump fed, rubber cups, flat form
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-2026-000007450) never changes.
Identity and time
| Publication number | OT-2026-000007450 · never reused |
|---|---|
| Internal UUID | 01a0a97f-3a69-752c-a8fd-b0eb91b5d347 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:14:42.668367Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007450 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5dc2ec01a1e6d7272f89951a495dbaa5f5c646c333bc409767e83d18a7dd7965 |
|---|---|
| Markdown | ef9c69d922c82377fac883df0ff3158a0a37ad0ffc3f34c275976431dd1079be |
| Publication page | ae597a924f2c2d33ca08f543841a7810c368f1d891d2a78083f499bc270dfc1a |
| Manifest | cf201bddae97322ae1292d59adff7e218844565b2c0c4e085a6eb08ba2677519 |
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 | hcnjRpuAAwKA5vZUDltHyOee6WnZ78e4eBGERuErMirSgHUvDMLS0EZ2A0TxwKg3ex9HE05u8EsxoWCzQbiqAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:20:33Z batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof root 07bfbe2fb3517c1c41f239fb2e682fbe... |
|---|
Independent retrieval
| 2026-10-03T08:41:19.212902Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007450observed ae597a924f2c2d33ca08f543841a7810...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-03T08:41:19.104447Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007450/manifest.jsonobserved cf201bddae97322ae1292d59adff7e21...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T08:41:18.953633Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007450/publication.mdobserved ef9c69d922c82377fac883df0ff3158a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T08:41:18.763687Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007450/publication.txtobserved 5dc2ec01a1e6d7272f89951a495dbaa5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:42:26.268043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007450observed ae597a924f2c2d33ca08f543841a7810...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:42:26.062007Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007450/manifest.jsonobserved cf201bddae97322ae1292d59adff7e21...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:42:25.850635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007450/publication.mdobserved ef9c69d922c82377fac883df0ff3158a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:42:25.710778Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007450/publication.txtobserved 5dc2ec01a1e6d7272f89951a495dbaa5...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 |
|---|