OpenTechnical

OT-2026-000083907

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, 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-2026-000083907) never changes.

Identity and time

Publication numberOT-2026-000083907 · never reused
Internal UUID01a0ae98-0418-7547-b2cd-1e4947882794 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083907
StatusPUBLIC

Content hashes

Canonical textc25998858685bdbb1db416c88b740f56551ae56eb7199d809982d6d3f863ce7e
Markdown535f21a77b1a9fc75e6d1600665aeef922f4c2ca2bb1d1d17cb0728724e613b6
PDF
Publication page96cd12fe292cd091d509088434a69fb1204cdb8b8e22c1ae0b0088c523f3bdab
Manifest4eb89298a5564f97d6ff97d54c7dce08aa35567946deb375ffc4332064d04848

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
Signaturetj28F3hFRG6OY5ikzeOJJBYo0+szY/xioQK0vr58IqjXWpFZIYB2iqG7Jyw4mlPX1Y3praFbZFlklbCOf3E2BA==
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

2026-09-17T10:00:23.504143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083907
observed 96cd12fe292cd091d509088434a69fb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:23.476327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083907/manifest.json
observed 4eb89298a5564f97d6ff97d54c7dce08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:23.444198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083907/publication.md
observed 535f21a77b1a9fc75e6d1600665aeef9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:23.417232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083907/publication.txt
observed c25998858685bdbb1db416c88b740f56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:34.629350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083907
observed 96cd12fe292cd091d509088434a69fb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:34.610683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083907/manifest.json
observed 4eb89298a5564f97d6ff97d54c7dce08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:34.592433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083907/publication.md
observed 535f21a77b1a9fc75e6d1600665aeef9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:34.576013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083907/publication.txt
observed c25998858685bdbb1db416c88b740f56...
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.