OT-2026-000031868
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000031868) never changes.
Identity and time
| Publication number | OT-2026-000031868 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad1-7295-a1fc-9e928358e6db · 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-2026-000031868 |
| Status | PUBLIC |
Content hashes
| Canonical text | f2aa76721d4ad19c40da24c41a8262b4ce952739c4e505a8cebfc664ccab21c3 |
|---|---|
| Markdown | ef6ef670b13f9da8fc56216fccab40be5380749a2926c037e5c21c58a5f949d1 |
| Publication page | 880d5e809c23abc523ac6e34fe886ec86fd50795ac837c1028e8aba6683b0d88 |
| Manifest | badd163c780818e21760907e838ddf19cd8cca56e811814742622e20a2255352 |
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 | oP7AsUYMbW2NVGjiY4qBg+zw+Z/9JBv+tjQTcOrWgvBA2GGwobTnwlYx0m5iO4KV3f3lfA9tFGEOIjWADhmuCQ== |
| 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
| 2026-09-17T11:35:07.741820Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031868observed 880d5e809c23abc523ac6e34fe886ec8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:07.723218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031868/manifest.jsonobserved badd163c780818e21760907e838ddf19...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:07.704919Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031868/publication.mdobserved ef6ef670b13f9da8fc56216fccab40be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:07.683736Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031868/publication.txtobserved f2aa76721d4ad19c40da24c41a8262b4...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. |
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