OpenTechnical

OT-2026-000018770

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000018770) never changes.

Identity and time

Publication numberOT-2026-000018770 · never reused
Internal UUID01a0ae6e-d521-74b3-8776-f18d22f866ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018770
StatusPUBLIC

Content hashes

Canonical text4c826c61a126d487e1c74974397d7c142de1133ceb70248fb06d9ee3f3e6020b
Markdown6a1e0df16244338993ab9ca18568f0efbb22d15a51d0b593f849d990bb024486
PDF
Publication page646266b93f03922f808d8ece75ea476cf24dec9cf5244db0596ee77966426dfd
Manifest1b210d5f49efe56ca6bf45e2f6db86ac93202cf2005aa94077cf0cff55645229

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
SignaturejSQJbk5iEloGBEBepZuUlhtI5o/jgkmCxn/xn2wNf58T6529XeH19a35gxN+/WY4vkQoCpsNJhPeHemujS7PCQ==
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

2026-09-17T11:59:23.461282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018770
observed 646266b93f03922f808d8ece75ea476c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:23.442416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018770/manifest.json
observed 1b210d5f49efe56ca6bf45e2f6db86ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:23.423411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018770/publication.md
observed 6a1e0df16244338993ab9ca18568f0ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:23.404304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018770/publication.txt
observed 4c826c61a126d487e1c74974397d7c14...
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.