OpenTechnical

OT-2026-000089291

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, manifold 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-2026-000089291) never changes.

Identity and time

Publication numberOT-2026-000089291 · never reused
Internal UUID01a0ae9b-db01-77a0-b820-6c0067d37b3c · 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-2026-000089291
StatusPUBLIC

Content hashes

Canonical text059eb587762f1db40e2165c251dfef7a7e0a9254c2a8838347342ddafbcf393b
Markdown66376bd4a424268c6a400c73d401c430c87abe49238663998e45deb5419acf1d
PDF
Publication page68f8a983fe3b49aaa84e241046b183618752540e5b1e4249caf64c3e96d6c52d
Manifest09fc00504bf2d3dde7d2c856e1e04f02f59ac61f8985861fd243681a0bc42ef0

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
SignaturenFKPjEQBIISs8iTCCbllCZ91DpZ1117Q8qn0CbrfutYdIB/RxLN3g9f6dGgKdt2zNhOGG5hEOgJtNALI6wiGDg==
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

2026-09-17T09:47:20.282898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089291
observed 68f8a983fe3b49aaa84e241046b18361...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:20.264916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089291/manifest.json
observed 09fc00504bf2d3dde7d2c856e1e04f02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:20.246577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089291/publication.md
observed 66376bd4a424268c6a400c73d401c430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:20.228082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089291/publication.txt
observed 059eb587762f1db40e2165c251dfef7a...
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.