OpenTechnical

OT-2026-000072761

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, 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-2026-000072761) never changes.

Identity and time

Publication numberOT-2026-000072761 · never reused
Internal UUID01a0ae92-89da-7be1-9489-95c12dc75c1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072761
StatusPUBLIC

Content hashes

Canonical text57c9e943c56b794afbcf2d13e95aa3e6a88087e458415414367cea17c84e2f5c
Markdownaf719c1baf2ddce47709ffc73232c972bdca4f52c2c2b7ae47fad8e12a9fc8b0
PDF
Publication page9135433137cc216d36e4fa9c78ff0d35bac5a7ee29e941d0e33e059e50917e6b
Manifest91b4232baba2799b9a13931346b1eeb5f8057d6da5fccd347bd25b70ac34915c

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
SignaturejKiDl6sMGG4+5Njdi56MLv/9YWVCa5SC09RPSf+HhT6+l30ylka5k3gpl2Anpp26TZp9byVloT8Is+7dkSV5CQ==
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

2026-09-17T10:22:40.055151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072761
observed 9135433137cc216d36e4fa9c78ff0d35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:40.037153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072761/manifest.json
observed 91b4232baba2799b9a13931346b1eeb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:40.019062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072761/publication.md
observed af719c1baf2ddce47709ffc73232c972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:40.002000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072761/publication.txt
observed 57c9e943c56b794afbcf2d13e95aa3e6...
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.