OpenTechnical

OT-2026-000046090

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000046090) never changes.

Identity and time

Publication numberOT-2026-000046090 · never reused
Internal UUID01a0ae7e-032b-7653-a868-8536997b6913 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046090
StatusPUBLIC

Content hashes

Canonical textcb577f074786cb9fc21d7765a7b5330b36b2b5c2baf3012fdeae81c5d416021a
Markdown4022213cd3f0ed7714437b27317f021361212a7c589ce33f218729e4c3ea222d
PDF
Publication pageb21f0c02afb7e7ee4980d112bb3cc1cf1be4de520b7d97db319ae6857d8caf9e
Manifestb02e0cd0ac3d2f0c586ac35924a7170ceb6415e2faee02e966a273fa2c6bf95e

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
SignatureKQR2SJ/fgh/dYXbwZ/O6Uy76UxIexu37bMO0FdvmdI/G4LRAQ4grmDELi+UHspotCkAJniPg9NcLVEku2dGHDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:09:03.728212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046090
observed b21f0c02afb7e7ee4980d112bb3cc1cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:03.710373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046090/manifest.json
observed b02e0cd0ac3d2f0c586ac35924a7170c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:03.691563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046090/publication.md
observed 4022213cd3f0ed7714437b27317f0213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:03.675136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046090/publication.txt
observed cb577f074786cb9fc21d7765a7b5330b...
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.