OpenTechnical

OT-2026-000044213

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000044213) never changes.

Identity and time

Publication numberOT-2026-000044213 · never reused
Internal UUID01a0ae7b-d67b-73bd-b216-0256c3356e1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044213
StatusPUBLIC

Content hashes

Canonical text45652e1357d02c1ef668ad4e8f1d92de7e6e8ff322d48712037a8921d8817085
Markdownf29d7bc44e5c2a6c3ddd6993e1b67f925e5c2fda22ff4a813d6b8bc2ed57f419
PDF
Publication page0428ec88fac4ee04f54a21f7c2eb2083124f7ba96ecd5837b39d84205a7b9550
Manifestda77729cd6b7d4ce19377e2b17318ba8e6e1686c5b46498da3808058b7e37c7e

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
SignaturerSisN7LlmzUGWGI+jDXX87VD4K4orGLo7zX6DbDUd+zHctVigBGdCOYEj8WSm3pne4MA0BSCX9FpcbFJRlcNCg==
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

2026-09-17T11:12:46.138899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044213
observed 0428ec88fac4ee04f54a21f7c2eb2083...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:46.122387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044213/manifest.json
observed da77729cd6b7d4ce19377e2b17318ba8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:46.104857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044213/publication.md
observed f29d7bc44e5c2a6c3ddd6993e1b67f92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:46.086649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044213/publication.txt
observed 45652e1357d02c1ef668ad4e8f1d92de...
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.