OpenTechnical

OT-2026-000003863

Publication integrity record

Vacuum cup gripper, common isolation valve, four outlet manifold, three stage ejector, pressure verified

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-2026-000003863) never changes.

Identity and time

Publication numberOT-2026-000003863 · never reused
Internal UUID01a0a90b-4a35-7a0b-9644-605247cdd8aa · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:04.535375Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003863
StatusPUBLIC

Content hashes

Canonical textcdad55cf42d308ba5f02b46ee076516ef1bfc6d4ccdfc7f685461f00b3ee4f16
Markdown5f8b051b7726c20e44d4e849ad9616229b198efba2b6edd572338aa889eb7e3f
PDF
Publication page1ac225a8336516cf72b85784c48e62c0e1b2c5112da0c079398653621ed639ed
Manifest565ac040e5bdc178f097946dfe7a49281f57de5e1056776ad5f26ed263419f2c

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
SignatureoStR2bfe2TTxb71Nxm6QsocabbBaKJtJic6wEQmUUA7C9D9Bt5I6AUjpj1iI9nz1tJDv0rTIHyfcAkYpQD1hBQ==
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

2026-09-16T07:10:15.839340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003863
observed 1ac225a8336516cf72b85784c48e62c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:15.822982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003863/manifest.json
observed 565ac040e5bdc178f097946dfe7a4928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:15.806149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003863/publication.md
observed 5f8b051b7726c20e44d4e849ad961622...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:15.788263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003863/publication.txt
observed cdad55cf42d308ba5f02b46ee076516e...
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.