OpenTechnical

OT-2026-000076339

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000076339) never changes.

Identity and time

Publication numberOT-2026-000076339 · never reused
Internal UUID01a0ae94-6a70-7913-b100-e686bef48ce8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076339
StatusPUBLIC

Content hashes

Canonical text964453b16aad1798ac8286e5688ba227d23bec509ab99bf5f9c96c6c7acc25dd
Markdownd6c68d126f0fa8b13f874f2878e8b294b56a4e48cc1e2d3a66acfaa31a43cdcb
PDF
Publication pagefb1b43ada78f5c30bb5b63240077e263b4b68ddd6077a7b9349c79bca9a2ba2c
Manifest6b8f261e2b135c397026c9e6350380ae58e27e3a50b029af1d987eaf3ddc277c

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
Signature69wcl+R94XH8MlpqFnM1IDz/l6BmQFotGu3U7/qSuva+iju40X0+i8zsdSEVbSQHwVMGg65CttQGWvhx/qwZAg==
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

2026-09-17T10:12:11.840114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076339
observed fb1b43ada78f5c30bb5b63240077e263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:11.823073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076339/manifest.json
observed 6b8f261e2b135c397026c9e6350380ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:11.805423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076339/publication.md
observed d6c68d126f0fa8b13f874f2878e8b294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:11.786601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076339/publication.txt
observed 964453b16aad1798ac8286e5688ba227...
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.