OpenTechnical

OT-2026-000008132

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, vented 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-2026-000008132) never changes.

Identity and time

Publication numberOT-2026-000008132 · never reused
Internal UUID01a0ae6a-908c-7d4e-ac88-6e34f7184d4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008132
StatusPUBLIC

Content hashes

Canonical text7e12cd0b517edb9562e1492c3526418aaf52428bf08b5c3bf9952f7d50c34d7b
Markdown75e169e00344c818685882da054cf84e863b30bdd8aa9394c83eda1cc0a449c0
PDF
Publication page3d5c33befbb6d3c5d2fde71d0b50ef9ceb4eab0be723047b90eb9fd5e885e7b3
Manifest7c0fcc70f182f616d8914a30e36de6b76bcca1fbb9b7e5d462548175498897dd

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
SignatureljTIrRc6+aUg8IQotUzIJyw9FtUpnNcNhbr7hMPlychjeHOpGbazNvpiChZ0dS0V2Mq+RgGAwfw6LwvcgtljDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:27.349659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008132
observed 3d5c33befbb6d3c5d2fde71d0b50ef9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.325891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008132/manifest.json
observed 7c0fcc70f182f616d8914a30e36de6b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.302498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008132/publication.md
observed 75e169e00344c818685882da054cf84e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.285105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008132/publication.txt
observed 7e12cd0b517edb9562e1492c3526418a...
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.