OpenTechnical

OT-2026-000068493

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000068493) never changes.

Identity and time

Publication numberOT-2026-000068493 · never reused
Internal UUID01a0ae90-2481-786b-a2f1-3a55da96b0d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068493
StatusPUBLIC

Content hashes

Canonical textaee494e6658c5d0dce14d3d2ef79b04c6d8bbe9f1a8816ab2215382dba76796a
Markdown7f4db535bc021b812f5dfc7a873a1da47e7a6a042cf1453ac75a605b1558798f
PDF
Publication pageaf50cb287309e34eaeec68aae34af0bcd47d67165333b4f122b35d7d22357032
Manifest79a1efaa5f384489e1bf33bedc7ce4c4aa58b43b15a03d1a39bd9e86fe798416

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
SignatureN37pvFSCC+gOEUkRselV+5Lg3xITpAUt44Do2ltDzf6L9SzMXVgw6mpBwzfpoQtdo1pCxkFhrU6K1KlF1q5dCg==
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

2026-09-17T10:29:39.030289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068493
observed af50cb287309e34eaeec68aae34af0bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:39.012284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068493/manifest.json
observed 79a1efaa5f384489e1bf33bedc7ce4c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:38.995462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068493/publication.md
observed 7f4db535bc021b812f5dfc7a873a1da4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:38.977675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068493/publication.txt
observed aee494e6658c5d0dce14d3d2ef79b04c...
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.