OpenTechnical

OT-2026-000067685

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000067685) never changes.

Identity and time

Publication numberOT-2026-000067685 · never reused
Internal UUID01a0ae8f-6bdb-7c3b-8d21-4e865d8f4ead · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067685
StatusPUBLIC

Content hashes

Canonical text290cd56d3a7f333f21a194b99d024e64eb525c61fa713c860f70d3f6c4b4f1d9
Markdowncb9199c38ac317907973b74f6a63a08a9161269568bdb1eb33aced47e9bc38f0
PDF
Publication pagef3ef97b427f47b17eb30953a20361c46249d3f936173afab505e1dfaeaa356dd
Manifest1f786752c5a3a40db947a53d55ae0ef46def02aaf4159abe8aeefe432ea74f60

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
SignatureK3Nw9HcJ0RkUIhjIDg2gR2VnXlFKAzXQn7gsKOLgZM6H1JTDv+s1m1hs5Eu6pVlgbOa9pjasDVWvzWY9SxK/Ag==
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

2026-09-17T10:32:01.438616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067685
observed f3ef97b427f47b17eb30953a20361c46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:01.421373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067685/manifest.json
observed 1f786752c5a3a40db947a53d55ae0ef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:01.404674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067685/publication.md
observed cb9199c38ac317907973b74f6a63a08a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:01.388764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067685/publication.txt
observed 290cd56d3a7f333f21a194b99d024e64...
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.