OpenTechnical

OT-2026-000033805

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000033805) never changes.

Identity and time

Publication numberOT-2026-000033805 · never reused
Internal UUID01a0ae75-a391-7c96-b56e-254d14137f47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033805
StatusPUBLIC

Content hashes

Canonical textd1e1cd18eaa6f4d583c6c7504f97e4f296325065060c3f239ffe23840cbb0621
Markdown35f9a9d018348825fed2a142b806ecd6e4ad7d319b5885ddddd8a446b72c467c
PDF
Publication page9121d09c61c44a4f8bd9a9a7c4ceb3648762907ab057eafd3c7a35b4700e8988
Manifest875fefa84bac88f011d3f4a03ca551e418d5db5cfffe346e0527608bc45658a1

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
SignatureFK+yh2bIT3GzxgFkKiQJKDeZhkqLzeSSoRHYVTfyWx3OI03jvsVs1FtrRaEzM8SQMGwxXKHzT3sIF1cn2lIdDA==
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

2026-09-17T11:31:50.976227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033805
observed 9121d09c61c44a4f8bd9a9a7c4ceb364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:50.958217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033805/manifest.json
observed 875fefa84bac88f011d3f4a03ca551e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:50.937105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033805/publication.md
observed 35f9a9d018348825fed2a142b806ecd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:50.913096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033805/publication.txt
observed d1e1cd18eaa6f4d583c6c7504f97e4f2...
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.