OpenTechnical

OT-2026-000006023

Publication integrity record

Porous face vacuum gripper, common isolation valve, plant vacuum fed, contact triggered, open cell

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-2026-000006023) never changes.

Identity and time

Publication numberOT-2026-000006023 · never reused
Internal UUID01a0a94c-9766-7c90-8f9c-5b9660d1624a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:19:24.137198Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006023
StatusPUBLIC

Content hashes

Canonical textc1c6b34a07aa5567d6f789059e40cc3946ef6f3ac3ab31e9290f956580ac814a
Markdown11376ebe5cfa918bf278ad1e4ea6588c74159e1f7e05c2c0551738f85bcff8d6
PDF
Publication pageba09db6c39cd8ef0c9a03d30b8cf7b476546523dc0dc00e13c28b11da48591a1
Manifest835883e37e53efc1ade054bb2e6363700c26da06a48bd5ab28c42151138f1d38

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
Signature5kyEshlMduwk5n2adOCzRMSfZWBodEwy7zc/C6HSKCvhfNicAUccpN6TOhQntHyvzWkXoALf28sRt4aj4t+6AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:04.417447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006023
observed ba09db6c39cd8ef0c9a03d30b8cf7b47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:04.402945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006023/manifest.json
observed 835883e37e53efc1ade054bb2e636370...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:04.388776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006023/publication.md
observed 11376ebe5cfa918bf278ad1e4ea6588c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:04.374085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006023/publication.txt
observed c1c6b34a07aa5567d6f789059e40cc39...
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.