OpenTechnical

OT-2026-000013059

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000013059) never changes.

Identity and time

Publication numberOT-2026-000013059 · never reused
Internal UUID01a0ae6d-5565-7911-b8ac-fcb9154078fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013059
StatusPUBLIC

Content hashes

Canonical text13293bca77b260644806537c6036ee20e162addb7df4b60304e89e9d85819cc6
Markdown92168f54a8c3240bfa38cb9e2be186a2b0e962dd83703aa1114bef4e754c218a
PDF
Publication page8e514f160f6e2e38c2a6959d95e6c8d236c6372bf093e6dd50351ee75eb18948
Manifestac0cf1c6d4de7481a89c42f7a47e5949c5ca99f4e4a8b7b601649c5aaf3cce45

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
SignatureEc8kYezEZH4LfGH4POHviDnOTWj/e4IzeO3Ht8LDQojNeXkXgRntcZ+pZL+h2vkEFe0GELkTggBYXZBKmToWAQ==
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

2026-09-17T12:10:53.804277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013059
observed 8e514f160f6e2e38c2a6959d95e6c8d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:53.784835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013059/manifest.json
observed ac0cf1c6d4de7481a89c42f7a47e5949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:53.766200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013059/publication.md
observed 92168f54a8c3240bfa38cb9e2be186a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:53.743438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013059/publication.txt
observed 13293bca77b260644806537c6036ee20...
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.