OpenTechnical

OT-2026-000022922

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, sustained blow-off before set-down

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-2026-000022922) never changes.

Identity and time

Publication numberOT-2026-000022922 · never reused
Internal UUID01a0ae70-46eb-77a3-8197-f246afb1abf8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022922
StatusPUBLIC

Content hashes

Canonical textaa3cea969c173bd20eb6898154769b98e8592b3a425d331387ac37c5a502cf7f
Markdown2d6143718cb2c40fedc30affd7d44b2fb6d7ecf51adbc770371b5a7ff60e5ad0
PDF
Publication page944797752206cc6d75b518f39e8dac386fdae16f90ebea483f193cd3514c55c2
Manifest969744b3b1d50015ba28ffac3835e0983bde8743687faba42275bc216b96a869

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
Signature2LTq0b40m7M0zPrdnCoM+4PwPj+HWdzNVPIYGSYevgzEz/PuaYAdA8FdryyQvm1rSmMjuDGyfQ2++7m+BznRCA==
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

2026-09-17T11:52:29.969115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022922
observed 944797752206cc6d75b518f39e8dac38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:29.951513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022922/manifest.json
observed 969744b3b1d50015ba28ffac3835e098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:29.933771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022922/publication.md
observed 2d6143718cb2c40fedc30affd7d44b2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:29.913939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022922/publication.txt
observed aa3cea969c173bd20eb6898154769b98...
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.