OT-2026-000005817
Publication integrity record
Porous face vacuum gripper, three zone face, three outlet manifold, pump fed, contact triggered
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-2026-000005817) never changes.
Identity and time
| Publication number | OT-2026-000005817 · never reused |
|---|---|
| Internal UUID | 01a0a945-d8d8-7c11-a7cf-80d1d0a123fb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:12:02.139101Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005817 |
| Status | PUBLIC |
Content hashes
| Canonical text | a52e813b4cf4c4bf8106ab15362cf16472fd243177b234804117da46da43f28a |
|---|---|
| Markdown | 3778689db6745343dfb67354da9e390fcc525277d0db46d8e09b0a1bbef0ce95 |
| Publication page | 688032cc8fad1e960b83dfd31cb96b6b39362d1fbd5f599a8774af980e2d5658 |
| Manifest | 18c9d17657271273de10109ed0c0be31a56124c0dee15ea063276013c99d0db3 |
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 | gRy0m9j0XJ5n5yZABlnFeXuWoA1viasnMoQjTwQySKIN7t7Gaub655n701KkWdVJyggkQlbB9Rni8nHPbtTGCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:27:03Z batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof root dbe93cb6b2158496df2f60f3b6822537... |
|---|
Independent retrieval
| 2026-10-20T08:41:37.445289Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005817observed 688032cc8fad1e960b83dfd31cb96b6b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T08:41:37.376541Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005817/manifest.jsonobserved 18c9d17657271273de10109ed0c0be31...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T08:41:37.299370Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005817/publication.mdobserved 3778689db6745343dfb67354da9e390f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T08:41:37.104528Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005817/publication.txtobserved a52e813b4cf4c4bf8106ab15362cf164...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:41:56.428168Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005817observed 688032cc8fad1e960b83dfd31cb96b6b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:41:56.355565Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005817/manifest.jsonobserved 18c9d17657271273de10109ed0c0be31...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:41:56.271893Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005817/publication.mdobserved 3778689db6745343dfb67354da9e390f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T08:41:56.122186Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005817/publication.txtobserved a52e813b4cf4c4bf8106ab15362cf164...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 |
|---|