OpenTechnical

OT-2026-000089189

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000089189) never changes.

Identity and time

Publication numberOT-2026-000089189 · never reused
Internal UUID01a0ae9b-db00-7bb2-887e-fe3b0adfc46a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089189
StatusPUBLIC

Content hashes

Canonical textbda2673e377689e86c6415d34c342a35ad346b0a77c40725de3f3cfe6e16a212
Markdowne43ef1ba312db25f4f0ea40783f2f7575cf993aaaaaef6a06246bd1dfac30555
PDF
Publication page3e8a02eaf9911fbc660ac1967b4a4b817c309b36281dec00d07863d54ebc6d65
Manifest62a00ef7f630dc5d8e31f1ffd9cf8845509d1c5fadfda486c3f603f8e2d913eb

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
SignatureeNJhOg/atbwIG//w3J4zghvWBQVGPLXMg5Ig8fU/XYQPuYQN9DUbrVlarQH/YlAZ/jcGToNcm+5DQ1goHy9KBQ==
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

2026-09-17T09:47:12.293179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089189
observed 3e8a02eaf9911fbc660ac1967b4a4b81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.275448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089189/manifest.json
observed 62a00ef7f630dc5d8e31f1ffd9cf8845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.257366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089189/publication.md
observed e43ef1ba312db25f4f0ea40783f2f757...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.240374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089189/publication.txt
observed bda2673e377689e86c6415d34c342a35...
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.