OpenTechnical

OT-2026-000084396

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, sustained 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-2026-000084396) never changes.

Identity and time

Publication numberOT-2026-000084396 · never reused
Internal UUID01a0ae98-5b62-7a09-bdaa-7f5cc6ad71da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084396
StatusPUBLIC

Content hashes

Canonical textffacafb236b1bee5d1e6c58eb9d6eed29ddc85db10499bb0408f967e87f61558
Markdowna388794815321d5c2c982412fe5f81224e9464de5ba3ee1779e025f92872e1b5
PDF
Publication page102e78847e961b25f3ea749f1ccdd0c684ae856e2d0b0c6ee2fe57fa0475316d
Manifestefcf288a714b44fb54836f8e5830952138a2e62980f50cac2e85c74b2d17cba3

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
SignaturezrNSd0cUZK/Wn+GECNF2aflBxH5cx48I3yeyyo0q3yjoREvq2a9Hx57wjh/45Dvgicabch1ATT3strVzgTM4Dg==
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

2026-09-17T09:56:20.386408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084396
observed 102e78847e961b25f3ea749f1ccdd0c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.369672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084396/manifest.json
observed efcf288a714b44fb54836f8e58309521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.351811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084396/publication.md
observed a388794815321d5c2c982412fe5f8122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.333346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084396/publication.txt
observed ffacafb236b1bee5d1e6c58eb9d6eed2...
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.