OpenTechnical

OT-2026-000071205

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, pulsed 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-2026-000071205) never changes.

Identity and time

Publication numberOT-2026-000071205 · never reused
Internal UUID01a0ae91-e0eb-75c7-8937-54dfaf67e02e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071205
StatusPUBLIC

Content hashes

Canonical textc25e230a358ab0a36a2fbce214185c1d95b3d617f4dead427cea7213bbe96340
Markdown6e59f855627138009f2b573e949699499ac4f670ba7c7680b398fad8fd3d66ee
PDF
Publication pagef8bec2c20d7f4c8204bb6328dae9703859bc1098441c654e4eaccb6931b68886
Manifest4170faa3b37d2d7d0adde8c81aced990e760b5dacb5c07eedb8f6e71a495ffc8

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
SignatureUAxYxb45S9JoQ1PTFvwtsDOpjiMzHYeQ2ziCxL7cyFtB53xTkYQfitS9nlY4YuWQ8VzHwcD4n2m/aDAGzEgxDQ==
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

2026-09-17T10:24:44.013853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071205
observed f8bec2c20d7f4c8204bb6328dae97038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:43.997099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071205/manifest.json
observed 4170faa3b37d2d7d0adde8c81aced990...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:43.980608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071205/publication.md
observed 6e59f855627138009f2b573e94969949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:43.961216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071205/publication.txt
observed c25e230a358ab0a36a2fbce214185c1d...
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.