OpenTechnical

OT-2026-000032189

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000032189) never changes.

Identity and time

Publication numberOT-2026-000032189 · never reused
Internal UUID01a0ae74-f7a6-7fef-81cf-2d8fafa639b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032189
StatusPUBLIC

Content hashes

Canonical text53c75bbf67f194ae745b1bdd26caf4065fc5f823d11e099142fde8005ed8b383
Markdown11a2fa7ca04522660c753828fd7e3e1a7c42d2f9fe349f82d0d2a6e3f0d690e2
PDF
Publication pageec20679dd65f787b4d24e7cd34e3efe4dcfab499e174ddce700906a307d2fc0e
Manifest1d80013bd0a82324abbfefeb4f83bfc883e8eb10d2d451e600c214a0660322e4

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
SignatureSuN5CvHKQElkVoKgHplD/MxnMVnJ4pAuq3qcszd/MH6DgaXLU/hluwsqCxjNVYh1zRs1AzQuqEPhqWzfXYk1DA==
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

2026-09-17T11:34:31.876838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032189
observed ec20679dd65f787b4d24e7cd34e3efe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:31.860899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032189/manifest.json
observed 1d80013bd0a82324abbfefeb4f83bfc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:31.840765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032189/publication.md
observed 11a2fa7ca04522660c753828fd7e3e1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:31.739433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032189/publication.txt
observed 53c75bbf67f194ae745b1bdd26caf406...
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.