OT-2026-000031020
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000031020) never changes.
Identity and time
| Publication number | OT-2026-000031020 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb7-7986-b839-453dbf086a65 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031020 |
| Status | PUBLIC |
Content hashes
| Canonical text | f388c9fa33ed3188eac73d339c6d71120404a233e511d557192f49874953573d |
|---|---|
| Markdown | 12a9a19fa08b77983e5f519ff1ff8c2f8468883c685d6d90b6d6248c59baf315 |
| Publication page | 6d867de2fa4d0c915304b7fee3d2ee5a03cc259b28f5efafcc4f930988e9200e |
| Manifest | fce3e777ee7d9bbd72290f6b23facaac25ad04f3a4eddd6caee4afa0075ed302 |
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 | BYEUM2czpw6ZOURmySbzZTOm/j61dyrKvHm6zymt7sj7NfysbNTDvzLHdVL0tf6u+yY+MvLS608NEt0cfu0FDA== |
| 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
| 2026-09-17T11:40:06.845804Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031020observed 6d867de2fa4d0c915304b7fee3d2ee5a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:06.823095Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031020/manifest.jsonobserved fce3e777ee7d9bbd72290f6b23facaac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:06.800988Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031020/publication.mdobserved 12a9a19fa08b77983e5f519ff1ff8c2f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:06.783041Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031020/publication.txtobserved f388c9fa33ed3188eac73d339c6d7112...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:35.797719Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031020observed 6d867de2fa4d0c915304b7fee3d2ee5a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:35.779511Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031020/manifest.jsonobserved fce3e777ee7d9bbd72290f6b23facaac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:35.762465Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031020/publication.mdobserved 12a9a19fa08b77983e5f519ff1ff8c2f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:35.744628Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031020/publication.txtobserved f388c9fa33ed3188eac73d339c6d7112...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. |
|---|