OpenTechnical

OT-2026-000090368

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, 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-2026-000090368) never changes.

Identity and time

Publication numberOT-2026-000090368 · never reused
Internal UUID01a0ae9c-7f2d-78d8-8444-232eccb7ca6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090368
StatusPUBLIC

Content hashes

Canonical text91aa733362abb5e223fd2c431cda2de1ed9f8c5bc27bd9a2924a131c7d722c82
Markdown90b9e13db54dc647e7b6c4c38e654d090186a545cc35ea79190e354b5a760182
PDF
Publication page68ab6624946defdf7aa3b26f20077723aa61e47264ad8797a61bc00b90f07df8
Manifest7b184af2f6f39a575a17a7023b2731bd40fcfb1b2e554abe72e3bd48a45693ac

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
SignatureDv/TrFufGw4NitS/qHfGZov99rQVO/ZPVmR+t4hFRMAOYUS/Y0iwTG4hjIjrnolsoAonthT2ff/GOU9HWu3bCw==
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

2026-09-17T09:44:28.207390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090368
observed 68ab6624946defdf7aa3b26f20077723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:28.187040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090368/manifest.json
observed 7b184af2f6f39a575a17a7023b2731bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:28.136832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090368/publication.md
observed 90b9e13db54dc647e7b6c4c38e654d09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:28.080896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090368/publication.txt
observed 91aa733362abb5e223fd2c431cda2de1...
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.