OpenTechnical

OT-2026-000063814

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line 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-2026-000063814) never changes.

Identity and time

Publication numberOT-2026-000063814 · never reused
Internal UUID01a0ae8d-53b7-748c-b842-e4e2e0e18511 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063814
StatusPUBLIC

Content hashes

Canonical text69835a486dcac281716e0a0bd3fd29145929980e55695f3e01e563056cc4a53f
Markdown6c94eb298e105cf8136d3ca7ef31c8e4535ddc5cd7f060bed9f517c864a67d28
PDF
Publication page46b0990eb4720f6df8cc628a2d0892118ca99bc848fd3a51c7a57b8b95b231c3
Manifest65c85ed2cdbe8d21dcd33491187eb95462ded49a9899f857eb9fb963b95215f2

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
SignaturebVM/tUXZHa8ovFYiZZv0J5wrs8lQ9Tf2csF+lKIbmdwKGvOjB914SCw12tYJlblBNwwF4l5sLTbvs1UfnNwFBQ==
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

2026-09-17T10:36:50.023945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063814
observed 46b0990eb4720f6df8cc628a2d089211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:50.005121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063814/manifest.json
observed 65c85ed2cdbe8d21dcd33491187eb954...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:49.988386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063814/publication.md
observed 6c94eb298e105cf8136d3ca7ef31c8e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:49.971118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063814/publication.txt
observed 69835a486dcac281716e0a0bd3fd2914...
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.