OpenTechnical

OT-2026-000098028

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000098028) never changes.

Identity and time

Publication numberOT-2026-000098028 · never reused
Internal UUID01a0aea1-92f8-7a71-9434-107ea238accf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098028
StatusPUBLIC

Content hashes

Canonical texta5be2f3788ae073a72665079221ff36569287a8c99c944e7f8cf746ea81a116f
Markdownd4d9aef57aeb01610f98a29179f539a5fb201d72098aa57dbde9a33431476caa
PDF
Publication pagee32852a40cc7c4158a160b4ae694275195c925a4f76f207113b314476052cd75
Manifestccb2c3b136870f261633ad03e520fdf9ec71c0016d87621907f27a4c455ab4b7

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
Signature7LeY5BaDt/K7YyGgvJbc9Ux2tNsb7yTGwoKqH3Yd5A9b59SXniX0Z6SHPsgE3jUr+axsLzv4JhVtXfRKkmwnBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:12.346585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098028
observed e32852a40cc7c4158a160b4ae6942751...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:12.327383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098028/manifest.json
observed ccb2c3b136870f261633ad03e520fdf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:12.308540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098028/publication.md
observed d4d9aef57aeb01610f98a29179f539a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:12.287638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098028/publication.txt
observed a5be2f3788ae073a72665079221ff365...
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.