OpenTechnical

OT-2026-000044792

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum 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-2026-000044792) never changes.

Identity and time

Publication numberOT-2026-000044792 · never reused
Internal UUID01a0ae7c-911b-71f1-9b70-71e217872b2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044792
StatusPUBLIC

Content hashes

Canonical textceecc0e92eb62665275dd1dc42f525aca6500946fbe0e321a7fce4c50d3cc6ec
Markdown2bf47e28fe21e1baf66204569689b151ff2e5c46d883f83bb2be5f6a5ca38804
PDF
Publication page445ae928d76fe3218a0fdeedf88d21a93d3b1247642ebee4d812cdbd0b8085d2
Manifest83ddd9425f3239f66f57fadcd14c52085ab64dae1059d99e55d136e75039baf7

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
SignaturedLJHlGuOVxBm5E3P4JQ4yrMZmMQqANkqIIpfUw/bM0BWdaTfO5Gs53Rrub5Bh2fK/asrInyJwN+1kufPe+BLAg==
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

2026-09-17T11:11:25.234160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044792
observed 445ae928d76fe3218a0fdeedf88d21a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:25.215390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044792/manifest.json
observed 83ddd9425f3239f66f57fadcd14c5208...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:25.197471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044792/publication.md
observed 2bf47e28fe21e1baf66204569689b151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:25.178051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044792/publication.txt
observed ceecc0e92eb62665275dd1dc42f525ac...
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.