OT-2026-000031978
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000031978) never changes.
Identity and time
| Publication number | OT-2026-000031978 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad2-7369-a9fe-91540f522db1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031978 |
| Status | PUBLIC |
Content hashes
| Canonical text | ea37d48364fcc63c45bae156ed1876a54b0c72155f74f58ff76a017b0a472ffb |
|---|---|
| Markdown | 1634944526d684d65318aced262932acf6f3d2ae2cdc71ac508280cb40010ffd |
| Publication page | 915cd8fa89abecfab91770c45b6c9a31a051ae6c32feaf71070da570910451c0 |
| Manifest | 2cd24879da8b677f397270543e8a7dfdc784a93e4c95adb6f87f8c8202d06281 |
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 | zFsaRrDRtDfb9/CQdwYUnpIK/U/tAzAYx64iCkHz4CisIUyKt1kCobljIgd6UbujqU3ljG4Xt4uEZUEA9DhaAQ== |
| 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
| 2026-09-17T11:35:16.455203Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031978observed 915cd8fa89abecfab91770c45b6c9a31...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:16.438854Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031978/manifest.jsonobserved 2cd24879da8b677f397270543e8a7dfd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:16.420927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031978/publication.mdobserved 1634944526d684d65318aced262932ac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:16.403180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031978/publication.txtobserved ea37d48364fcc63c45bae156ed1876a5...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. |
|---|