OpenTechnical

OT-2026-000075694

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000075694) never changes.

Identity and time

Publication numberOT-2026-000075694 · never reused
Internal UUID01a0ae94-29fd-7158-8173-c4326cd05b94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075694
StatusPUBLIC

Content hashes

Canonical textea640d1e274c8307d30a9b84b9128d2874a40cbfc6b324d0d2c9f4da96d74855
Markdown17b12908f6a1189346ecbb95b594d4210043c7cba6b510a810007c016d75a222
PDF
Publication page5e5c0829322f70cf19a285ad7ccd888ad4892b2514470b50c09082309da4e2df
Manifestda028ed2bedb2a0e91de8223438adbbac92bb6828256a57b1d466e8e1ed0dfaa

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
SignatureKme0XF+U5PlSbPn+kChL61+/y7d5sg55pPyBC3QPv+iLLvm9e5yapQAvcaSbL2QnZfY7y3X7Vsnv3pt9dX8LBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:13:54.019574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075694
observed 5e5c0829322f70cf19a285ad7ccd888a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:54.000774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075694/manifest.json
observed da028ed2bedb2a0e91de8223438adbba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:53.980842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075694/publication.md
observed 17b12908f6a1189346ecbb95b594d421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:53.958221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075694/publication.txt
observed ea640d1e274c8307d30a9b84b9128d28...
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.