OpenTechnical

OT-2026-000070459

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000070459) never changes.

Identity and time

Publication numberOT-2026-000070459 · never reused
Internal UUID01a0ae91-545f-79e5-ab68-57c3de8cd2b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070459
StatusPUBLIC

Content hashes

Canonical text66fbdd6c7b49e4e9b620819acfde7e16c3467c67e09b54c638278f1b5401e053
Markdownc61ad91f37e9fac7ad11469c565273c38e0432831078cb4967b25b8b2d0fb04f
PDF
Publication pagebc9dcbecbf03f62e667e84f2c36c9d988c8d9fd61d7068f1c00bba526daa7666
Manifest54882dc67c30e63801f7830fb6930aab1cacd965bbbdf31d3362fc5b1c47468c

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
Signatureh4qXMyh+Qdrf2f7VFh9eRDfEvuH9AHsMhRuaHf3qngTVvmIumTcObBT8Yhyd+rtVlfnkBmQQkyfaRvfHX/i5DA==
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

2026-09-17T10:26:17.106162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070459
observed bc9dcbecbf03f62e667e84f2c36c9d98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:17.091182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070459/manifest.json
observed 54882dc67c30e63801f7830fb6930aab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:17.073637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070459/publication.md
observed c61ad91f37e9fac7ad11469c565273c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:17.056282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070459/publication.txt
observed 66fbdd6c7b49e4e9b620819acfde7e16...
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.