OpenTechnical

OT-2026-000031745

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000031745) never changes.

Identity and time

Publication numberOT-2026-000031745 · never reused
Internal UUID01a0ae74-bad0-7261-b000-81f301704d3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031745
StatusPUBLIC

Content hashes

Canonical text73e5fb240ddd5703e7544d22fd6bf512afb6954f767dd0e03338755185c27414
Markdowna1777c777bedfbfe5b0d2a5db344a7e79f9ed0760a1616a94a755d7031efcefd
PDF
Publication pageaa6e148abfc0e1b3f89a29c8cd721112e66b22ffba18956f591fb29aac8528e1
Manifest65368c5c8c15a9bec50de77b0ff937179911e6eba0629a9dfa1330a61dffa27d

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
SignatureHxsPg1DTK8rYv1WgXEKDz5IHgC5AinWYKeAXwK9R9Q+1dYhLxv/YLqY2U9mUOIS2HamF+ia59NS2D74yFwMaAg==
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

2026-09-17T11:34:51.750271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031745
observed aa6e148abfc0e1b3f89a29c8cd721112...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:51.731068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031745/manifest.json
observed 65368c5c8c15a9bec50de77b0ff93717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:51.712462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031745/publication.md
observed a1777c777bedfbfe5b0d2a5db344a7e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:51.694958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031745/publication.txt
observed 73e5fb240ddd5703e7544d22fd6bf512...
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.