OpenTechnical

OT-2026-000085937

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum 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-2026-000085937) never changes.

Identity and time

Publication numberOT-2026-000085937 · never reused
Internal UUID01a0ae99-e82a-76d8-977d-895eb4912c55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085937
StatusPUBLIC

Content hashes

Canonical text9891e9963b37ab2282a59b02c3bc6705e97907e54734c12ea48572d10568df5e
Markdownf69c0d6903a30e7c14982afde3b50d411ef01eb70493cafc15eb65d62dbd2f7b
PDF
Publication page1c2165ac6202b035d3c23436ac129ead8b730e66e36b261244286eb5c6424613
Manifest6115d95c309ab34c85c9175d725ebea242390a89ae8fafd37bf38fdea4c73cdc

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
Signature2YscFBZTqIRMm+G+qRgoHPxhsNIJac+yB10poX9VA1NN4q8i1WnksOw3K+JALeiCX4P94ASL36lvbKYMkUEQCw==
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

2026-09-17T09:52:53.565485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085937
observed 1c2165ac6202b035d3c23436ac129ead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:53.546918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085937/manifest.json
observed 6115d95c309ab34c85c9175d725ebea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:53.527215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085937/publication.md
observed f69c0d6903a30e7c14982afde3b50d41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:53.509162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085937/publication.txt
observed 9891e9963b37ab2282a59b02c3bc6705...
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.