OT-2026-000042990
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000042990) never changes.
Identity and time
| Publication number | OT-2026-000042990 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-3277-77c6-b38e-fa8d931bd7cc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:28:24.717423Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042990 |
| Status | PUBLIC |
Content hashes
| Canonical text | 11fe1839c4a84e8a88d9693f32a637013007fb1aa8cf86ddcde28465473875b1 |
|---|---|
| Markdown | 7daf81d5abf1696050d5162c370d104f8904a30df68af6c96b5445fc12d39065 |
| Publication page | 3625bfa37e152a9cd3e201154ef18d0763aa94b2efb8a0247e55751ff457ff8e |
| Manifest | 28407f489aa71f9a844d5863649dadb8d12a380ae669d926260d996f8453200e |
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 | cg5VHPlzt1TMJR7kd3ktp1bNNtITf24t+JhAyAHWA2emsQHGU+TD7tezyzeLkUPBRbdCYKGKdmrdRI3Rve3LAw== |
| 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
| 2026-09-17T11:13:17.722460Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042990observed 3625bfa37e152a9cd3e201154ef18d07...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:13:17.704192Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042990/manifest.jsonobserved 28407f489aa71f9a844d5863649dadb8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:17.683341Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042990/publication.mdobserved 7daf81d5abf1696050d5162c370d104f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:17.665335Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042990/publication.txtobserved 11fe1839c4a84e8a88d9693f32a63701...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. |
|---|