OpenTechnical

OT-2026-000036281

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000036281) never changes.

Identity and time

Publication numberOT-2026-000036281 · never reused
Internal UUID01a0ae77-01d0-793f-a949-2fb229351566 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036281
StatusPUBLIC

Content hashes

Canonical textfb9307b3151c2aec11c92c0ded1cebedaf4e7f49951e926633f8e889692917b1
Markdown1eda4c64dcde5bf1a350834147ca053cd77deafc71da7add3deeb773eb56ec66
PDF
Publication page85f2422fe6fb8ec76f777bf89cab90af80063cf969a2ffe149821a9ddfcaf8da
Manifest205532dccb5af75fd53eb907d7b947d24e1440e792c53777be9a9668f7e047ac

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturecCdoLy9IJ9mjcyJLDPTV2C4zH8BEeegliiZGB06MAKDXG5dP9U7FU+9y2B7IL4v2ijJfLBhNO6Pe6BNvQvLLCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:26:32.661705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036281
observed 85f2422fe6fb8ec76f777bf89cab90af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:32.642850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036281/manifest.json
observed 205532dccb5af75fd53eb907d7b947d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:32.624499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036281/publication.md
observed 1eda4c64dcde5bf1a350834147ca053c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:32.606554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036281/publication.txt
observed fb9307b3151c2aec11c92c0ded1cebed...
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 archivePending 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 packagePending Custody packages are produced weekly.