OpenTechnical

OT-2026-000032197

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-2026-000032197) never changes.

Identity and time

Publication numberOT-2026-000032197 · never reused
Internal UUID01a0ae74-f7a6-7021-b91a-de8ac5a46ad4 · 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-2026-000032197
StatusPUBLIC

Content hashes

Canonical text6ce70c6eb1611626c9aa9a41167ed073585de9c7f72d230ee237d4519998f1eb
Markdown84b6074c6dd9a11467ccd5df8f5b8c845cf1eb546654cfb67f4d007abf988cd4
PDF
Publication pagebe688333a9cb3767209464593e2bd7f028f2d7f9bce3cf954f2c57ef83373ab5
Manifest7530724aea71d39651bf0eabdc54ed577513e672cf87be826d2b4235ad830cc4

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
SignatureoCbcsMimRqHFvYVIqLEcqs62xFx7FTiNGrv01OtQxM/y7iqXDKYNi1bePRLHKvbiFKseHUDbdjHyLieivGPDBg==
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

2026-09-17T11:34:32.498448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032197
observed be688333a9cb3767209464593e2bd7f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:32.480034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032197/manifest.json
observed 7530724aea71d39651bf0eabdc54ed57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:32.463601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032197/publication.md
observed 84b6074c6dd9a11467ccd5df8f5b8c84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:32.443535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032197/publication.txt
observed 6ce70c6eb1611626c9aa9a41167ed073...
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.