OpenTechnical

OT-2026-000066391

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000066391) never changes.

Identity and time

Publication numberOT-2026-000066391 · never reused
Internal UUID01a0ae8e-ce40-7c3e-aee4-62b578f2a0d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066391
StatusPUBLIC

Content hashes

Canonical text64b1181a693743a19bfc5ce662867813f0cc1cbd83afded7d99b0b0f785b7633
Markdownc0db4f0d15622225ca057a020f454d691d10ac730443fa6b851d4a1a19077822
PDF
Publication page0d321eb34a972e47af737cac5ec89c1f6aff9971169f1eb094d3b97979169ada
Manifestf4c0f6dd6daa3aca38a784c2c60c66ed8fa34dd5209b0c9c89acef120adb5f4d

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
SignaturesxGpCT0d0RBKdvQYlKJC3eyIS+MisspfwmSwLpuYsujcC9undgjeUeb5GqtZXyRQv/Pzt3vzAaY006iafL6cCQ==
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

2026-09-17T10:32:31.795544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066391
observed 0d321eb34a972e47af737cac5ec89c1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:31.780214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066391/manifest.json
observed f4c0f6dd6daa3aca38a784c2c60c66ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:31.765117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066391/publication.md
observed c0db4f0d15622225ca057a020f454d69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:31.748090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066391/publication.txt
observed 64b1181a693743a19bfc5ce662867813...
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.