OpenTechnical

OT-2026-000084209

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000084209) never changes.

Identity and time

Publication numberOT-2026-000084209 · never reused
Internal UUID01a0ae98-5b60-7d18-9864-5ac40ce13643 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084209
StatusPUBLIC

Content hashes

Canonical text1ed6e8456d382c00990d1f04da395e6e61f927bbc336cac5940b1849bf5635a7
Markdown506aec66f88ccf10017fa837d483c63adb39ed7ccb19178cee24988092014291
PDF
Publication pagee2763814a14ec6cb32278579f91aee8920b3b0ded47315ba974c413aa44cd2ac
Manifesteb46518c6d9b2971e620aa4783dc337736ffa2055aa737a388d54e0c4faaa948

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
Signature1/R30kFIs6qBG/cUSZbXtoJq0HdHYvg4/GxnGiXbDWbY7Y/qf1GbZdZgkRKx38Jy1g9u8rXbCt+R4ru7rtJkBA==
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

2026-09-17T09:55:59.688603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084209
observed e2763814a14ec6cb32278579f91aee89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:59.670935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084209/manifest.json
observed eb46518c6d9b2971e620aa4783dc3377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:59.653042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084209/publication.md
observed 506aec66f88ccf10017fa837d483c63a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:59.633877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084209/publication.txt
observed 1ed6e8456d382c00990d1f04da395e6e...
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.