OpenTechnical

OT-2026-000097368

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000097368) never changes.

Identity and time

Publication numberOT-2026-000097368 · never reused
Internal UUID01a0aea1-01cb-7bac-b534-185be87d34a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097368
StatusPUBLIC

Content hashes

Canonical text0e5d836e718dd1ee5931b1ddf26a79a7fe8264b3732e11633242f6edb57383ab
Markdown421465922e83d3c71441bed60f8bbee2893d5e0f6b07c421f3143bb5ed5fd011
PDF
Publication page5637bd7e8d10bf5ad062f6307c0ecbc25a19ab435709a0d500ee900b87511bd8
Manifest45fd706621aea8e4ca48685db791c372bec4931557c909dbd26b66e25735ed45

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
SignaturesC+Hd7dDRw7sSE99RXTksQWPVa9Rfw9HxxTUPWuSEMXK3UbjXlRG6ro82a5fO88au5ksWwrmo9+X3ooicfCuCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:38.692672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097368
observed 5637bd7e8d10bf5ad062f6307c0ecbc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:38.674282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097368/manifest.json
observed 45fd706621aea8e4ca48685db791c372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:38.655319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097368/publication.md
observed 421465922e83d3c71441bed60f8bbee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:38.637523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097368/publication.txt
observed 0e5d836e718dd1ee5931b1ddf26a79a7...
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.