OpenTechnical

OT-2026-000077545

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000077545) never changes.

Identity and time

Publication numberOT-2026-000077545 · never reused
Internal UUID01a0ae95-2ece-76de-bcf7-06360fc919f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077545
StatusPUBLIC

Content hashes

Canonical text46570271a026c6d141f6f072434f323c632133df251d2c6fd984d5281bc8ea7c
Markdown8dc38116af38bb53fe18260817164fbe288c5a02eaa8115b4235cb83f1b3c1cc
PDF
Publication page849e126eeb36fa819ee55dfddde98f01d4a3686e89e223ffe1ef55a1329d69ab
Manifest94c426231f9d5ac17cecf3398138c8e36790df47d9f5c27e04223b9a6b373b52

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
Signaturejr0Wticfkw6YvY/jGjU/mLxJemqo5DrWL7Hi1JQcFfe4IGy1aMNTU7jfeCFNQ3YVC/TSTYrdJXIiwQ+a0jogDg==
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

2026-09-17T10:07:01.240426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077545
observed 849e126eeb36fa819ee55dfddde98f01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:01.219619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077545/manifest.json
observed 94c426231f9d5ac17cecf3398138c8e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:01.197027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077545/publication.md
observed 8dc38116af38bb53fe18260817164fbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:01.177803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077545/publication.txt
observed 46570271a026c6d141f6f072434f323c...
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.