OpenTechnical

OT-2026-000055147

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000055147) never changes.

Identity and time

Publication numberOT-2026-000055147 · never reused
Internal UUID01a0ae86-5e82-723b-a688-e40e24a69a75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055147
StatusPUBLIC

Content hashes

Canonical text25acce287aa015d9c043ad3be3d13c2da2ad4df0cdd532b413013e23892bd29a
Markdownabf02b69fdbe69b2970f2caa189db52b24cbc44b686ec5c0777734fc77cf1c40
PDF
Publication page52de012424e9c3e60f7ae188f7ec589d7903d2f463cf6e04d532211437781997
Manifest07c6ca4229816d610a50ef22aacaf115878099e47d4889c0d8d6ba7799b65750

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
SignatureHrZ4pvI9JcC9gkB/POXFADpdfjSSqxLn5tP593Xxj5+st6hjPtd1S9JKHRw30QlC418MErZ1Oi37/k8HCGxlBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:19.549227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055147
observed 52de012424e9c3e60f7ae188f7ec589d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:19.531880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055147/manifest.json
observed 07c6ca4229816d610a50ef22aacaf115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:19.513607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055147/publication.md
observed abf02b69fdbe69b2970f2caa189db52b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:19.494755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055147/publication.txt
observed 25acce287aa015d9c043ad3be3d13c2d...
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.