OpenTechnical

OT-2026-000079231

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000079231) never changes.

Identity and time

Publication numberOT-2026-000079231 · never reused
Internal UUID01a0ae96-0b8f-7bce-aad4-31ca1dccbe0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079231
StatusPUBLIC

Content hashes

Canonical textcfc8439d6a6683d1ab832d42066274cd972dbc9cbe7d7a637c269a754f4c56d1
Markdown884f3ce144b1c5a5241db4da5dd4a6c15b3c4a6db64b69e16edc82d3034580f0
PDF
Publication page32a21f6d0c92e9678d8dd644ecb69fe557c3df7034e22c3002a9607f4dc197c9
Manifest1fdbd31c8eb8f6461d67e2288d9897e59f67ccf46026039f9bfc2b2409fd9935

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
SignaturegsqaQHCipN3dlj35gj15umncw1pQey+OEMnnJMviovUSnWQRhvYRsg5hbTYNi2cuV2gY/KFkMeq7uOd8K953Aw==
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

2026-09-17T10:04:49.384815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079231
observed 32a21f6d0c92e9678d8dd644ecb69fe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:49.366974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079231/manifest.json
observed 1fdbd31c8eb8f6461d67e2288d9897e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:49.349783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079231/publication.md
observed 884f3ce144b1c5a5241db4da5dd4a6c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:49.333006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079231/publication.txt
observed cfc8439d6a6683d1ab832d42066274cd...
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.