OT-2026-000020349
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000020349) never changes.
Identity and time
| Publication number | OT-2026-000020349 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-7d1c-8125-0234f1e32a29 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020349 |
| Status | PUBLIC |
Content hashes
| Canonical text | a4c9730a99d037ca0d1ccf6755cb77b7af7f60bbda98e828da73f055a18aa995 |
|---|---|
| Markdown | 0338492eaf15a1402900dc14f9fa5c862f8ec30b4bc183eeb2f1cee5d764ac27 |
| Publication page | 4a868f39a3a11e727fe89091f1ca2ff8db58dcb8b3e94af67e3ceda35e84b932 |
| Manifest | 6680e837c8c348e86b39a15b63ecffa8c12ca92e52f050d32e75f455b521fbea |
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 | K0gNcsEVAikT+JyZ+BvmZ7PhJ70076l4nH9MmGuBgqbqjz7gqAimfChktCpA3ss3umr+ZGOJDBvl41T+7BwMBQ== |
| 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
| 2026-09-17T12:00:08.272274Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020349observed 4a868f39a3a11e727fe89091f1ca2ff8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:08.242927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020349/manifest.jsonobserved 6680e837c8c348e86b39a15b63ecffa8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:08.219043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020349/publication.mdobserved 0338492eaf15a1402900dc14f9fa5c86...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:08.192479Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020349/publication.txtobserved a4c9730a99d037ca0d1ccf6755cb77b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:18.513772Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020349observed 4a868f39a3a11e727fe89091f1ca2ff8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:18.496941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020349/manifest.jsonobserved 6680e837c8c348e86b39a15b63ecffa8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:18.480227Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020349/publication.mdobserved 0338492eaf15a1402900dc14f9fa5c86...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:18.461873Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020349/publication.txtobserved a4c9730a99d037ca0d1ccf6755cb77b7...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. |
|---|