OpenTechnical

OT-2026-000050612

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000050612) never changes.

Identity and time

Publication numberOT-2026-000050612 · never reused
Internal UUID01a0ae82-5c4a-754b-ac6b-fcaf0b3b2368 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050612
StatusPUBLIC

Content hashes

Canonical text6e8b7476553cf99da2176b0cbb48353a18833e133b076b248c5027a27d15f4eb
Markdownb8bd2e4c37af275d2890bf40eb3e45c54cde0d1122280c41873666c340cf12c3
PDF
Publication paged85635e5ea77cdf7d0235501d474541213be18cb4bbf86232b601990e6215120
Manifest9d860e7bfdc3de5f8b968ab9748d59f898156e75b759a3af2c7874575331162b

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
SignatureFxGR15WCut176ke+O/SRuP4zD0igI8/Mtmb65m0VdwGc/umFyU232M25vhDa0jm2x9uG1nwzj4gFSmGKzJTRAw==
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

2026-09-17T11:01:43.308790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050612
observed d85635e5ea77cdf7d0235501d4745412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:43.292079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050612/manifest.json
observed 9d860e7bfdc3de5f8b968ab9748d59f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:43.273450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050612/publication.md
observed b8bd2e4c37af275d2890bf40eb3e45c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:43.253942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050612/publication.txt
observed 6e8b7476553cf99da2176b0cbb48353a...
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.