OpenTechnical

OT-2026-000085945

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum 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-2026-000085945) never changes.

Identity and time

Publication numberOT-2026-000085945 · never reused
Internal UUID01a0ae99-e82a-7792-af21-036e5488543a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085945
StatusPUBLIC

Content hashes

Canonical text2108786fc8916b39f1955b3891c8588e5b365ff45468cff82d24e647cbdf01a6
Markdown2b9e37405a3058c8e3ab3b9ab6e5a7eddce939eaada3ea8e72f21a9240967c32
PDF
Publication page7e3a882b7680c840372ff427964be017411b06c479b84e98c0ebcdd0609a8089
Manifest550412f2d9af9216257e10261f8e34461ec676b68471932282437e45f1318ec7

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
SignaturezJplBT31Ti+LLe2IRVaDcvL5+dJecLcp1rNkyo4mUeUUM/sIslj0KVA6ujmbDeUdtVubWmqBnB34kzDWpjjqBw==
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

2026-09-17T09:52:54.210382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085945
observed 7e3a882b7680c840372ff427964be017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:54.190973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085945/manifest.json
observed 550412f2d9af9216257e10261f8e3446...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:54.171111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085945/publication.md
observed 2b9e37405a3058c8e3ab3b9ab6e5a7ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:54.152535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085945/publication.txt
observed 2108786fc8916b39f1955b3891c8588e...
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.