OpenTechnical

OT-2026-000030347

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pulsed 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-2026-000030347) never changes.

Identity and time

Publication numberOT-2026-000030347 · never reused
Internal UUID01a0ae73-e501-73c8-b0df-d2a293256a7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030347
StatusPUBLIC

Content hashes

Canonical text365032086d0defb00e013efd87bd5ab1910481766e39565436c9d2df8273cedc
Markdown0306128627af7ea8b113463d08870b2110d9d527a189959729e674163d012ef5
PDF
Publication page000980729eaf16dc39d9cdd0f9b2adbe2c8bdd043343ea310e578cb04cb95b11
Manifest490e71d501cf33eef2a62662a62ec6bf8b654970e17b7cdb3233cefbf0dbd27e

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
Signature2DE55iTR7Q1bxkSdjJESsG0zBTvxsfDCOUSx2R/rfJiwNc5hcOci9zo3CTdllzLZy0zDCaUW52MZ7z6vCgXqDQ==
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

2026-09-17T11:38:03.729878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030347
observed 000980729eaf16dc39d9cdd0f9b2adbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:03.712515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030347/manifest.json
observed 490e71d501cf33eef2a62662a62ec6bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:03.694041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030347/publication.md
observed 0306128627af7ea8b113463d08870b21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:03.674356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030347/publication.txt
observed 365032086d0defb00e013efd87bd5ab1...
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.