OpenTechnical

OT-2026-000091663

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091663) never changes.

Identity and time

Publication numberOT-2026-000091663 · never reused
Internal UUID01a0ae9d-43b8-7a24-aa3f-a505db778e62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091663
StatusPUBLIC

Content hashes

Canonical text568641dda83c8725186ac33efa703221fbc250d93e284836630e953495413183
Markdown52e4aa8dd93dbcb448a0495def8d5a5549efb549ecb55dffa177b2bb7eb89482
PDF
Publication page6faddaeae8092cd70b8e2d4a9e148c7ef8276465acca4a3190586ea57bc8f82c
Manifestd739419d006b23a9f224f12825f5c4262ec9a00b6a4b1b199321e409ee980e71

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
SignatureRjOI7sFL192uI/QVx1bCzbzlroklFcWHKeLwi17WB3bLFdLDzRt3295OPqTghWI5LTBJfbqxOXItjHPur30UBQ==
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

2026-09-17T09:42:02.380551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091663
observed 6faddaeae8092cd70b8e2d4a9e148c7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.363769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091663/manifest.json
observed d739419d006b23a9f224f12825f5c426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.343463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091663/publication.md
observed 52e4aa8dd93dbcb448a0495def8d5a55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:02.325146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091663/publication.txt
observed 568641dda83c8725186ac33efa703221...
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.