OpenTechnical

OT-2026-000083859

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000083859) never changes.

Identity and time

Publication numberOT-2026-000083859 · never reused
Internal UUID01a0ae98-0418-71a9-9cd4-f594655a2e02 · 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-2026-000083859
StatusPUBLIC

Content hashes

Canonical textb8b4b606c416f29ceedc11e625c22bc269c315e96eafb097e0beb3e7e4358c26
Markdowndd17013fc3ac605953cc9d5897c33f58212bca1bf7c0ea47b610cca3745a7b8d
PDF
Publication page75086fc8aeea5ccf75115cebdf198f00e18da997266e48865e1b0ef9c9402ab0
Manifesta187f86189e2d6957153bc41479b3538d6c19df3020be7bed52a29e71da0c2e7

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
SignatureUmQS49v6Ov8BRkzzTftnmXeys8O6sxGD5RnSJblXnB3E4gWrjCuMd3QN7RqZm2LMG9nfEo1+g/8LoD1vDBH1AA==
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

2026-09-17T10:00:09.641162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083859
observed 75086fc8aeea5ccf75115cebdf198f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:09.618281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083859/manifest.json
observed a187f86189e2d6957153bc41479b3538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:09.596046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083859/publication.md
observed dd17013fc3ac605953cc9d5897c33f58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:09.574488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083859/publication.txt
observed b8b4b606c416f29ceedc11e625c22bc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.191972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083859
observed 75086fc8aeea5ccf75115cebdf198f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.175683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083859/manifest.json
observed a187f86189e2d6957153bc41479b3538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.158272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083859/publication.md
observed dd17013fc3ac605953cc9d5897c33f58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.140805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083859/publication.txt
observed b8b4b606c416f29ceedc11e625c22bc2...
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.