OpenTechnical

OT-2026-000003592

Publication integrity record

Porous face vacuum gripper, per zone isolation, pump fed, pressure verified at each zone

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-2026-000003592) never changes.

Identity and time

Publication numberOT-2026-000003592 · never reused
Internal UUID01a0a90a-793a-7538-b570-f6c70f8b16f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:11.037225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003592
StatusPUBLIC

Content hashes

Canonical text3a57cee7371856c2ef4c25d57a90dbdf40b1349831f5c1df31ec296578bb18a8
Markdown982706552f6e5455433e704f90e95a0eca78caa80137cf2a6dd644c2fde149f7
PDF
Publication page78e28cd446c59bb952c1b6e31412c5d2c56bea73390c907bf6903638aacb50d9
Manifestd0c452b8b31eeb8416ac0b7769b6e3545e920a3f576e194c5bb4ec6ac0fd5cb9

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
Signature54x5kTSmzYpv9EIfEt/F4zYh4SpCtqP5wmRxeM1N+OJ7wHj/Zn80U7cYdSRrZMHK4/rKiV7wHpQkQ3PUkTglBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:40:36.385023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003592
observed 78e28cd446c59bb952c1b6e31412c5d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:36.247213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003592/manifest.json
observed d0c452b8b31eeb8416ac0b7769b6e354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:36.231963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003592/publication.md
observed 982706552f6e5455433e704f90e95a0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:36.186578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003592/publication.txt
observed 3a57cee7371856c2ef4c25d57a90dbdf...
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.