OpenTechnical

OT-2026-000063672

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000063672) never changes.

Identity and time

Publication numberOT-2026-000063672 · never reused
Internal UUID01a0ae8c-f946-7b32-a1e7-18311edf00cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063672
StatusPUBLIC

Content hashes

Canonical textefe3ba71432092cd79dc609f032b9e44507640ef647f11a82828e389663187e0
Markdownad682ccfd56826b068f901746f06b24d3039e97df7540a5e43c32ece0154e585
PDF
Publication page2023bbb737f709919e42712729298521fb29f0d04a9d6b82099cb02715155ca1
Manifest9435acf9d0801291ba68a86ad08751961c13860c566c5aafd8876dc36ffe6727

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
SignaturejClI1zR03pI3uiBUDNIwOlU3zJCK2VT7iw1OAhSKMRy2+E+IwUlNcqyM+sQ3CgMbMtn0LXOxsknVie1Gl0+eBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:47.161211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063672
observed 2023bbb737f709919e42712729298521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:47.142608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063672/manifest.json
observed 9435acf9d0801291ba68a86ad0875196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:47.124246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063672/publication.md
observed ad682ccfd56826b068f901746f06b24d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:47.104810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063672/publication.txt
observed efe3ba71432092cd79dc609f032b9e44...
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.