OpenTechnical

OT-2026-000017446

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single 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-2026-000017446) never changes.

Identity and time

Publication numberOT-2026-000017446 · never reused
Internal UUID01a0ae6e-76c9-7334-8767-1cbfba747f39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017446
StatusPUBLIC

Content hashes

Canonical textf24888a6c1f681f3325a259b925fbf5927c77a9e46c40932920440a2a51dd686
Markdown6222c43bc8ab877cc82e86d9dd34ef6d675ff2c81a072d1a98142cd2463687ae
PDF
Publication pageb6faf2e6d9ac425dbc288a9830b468816ec8c1bda49f8a2a36c74b656c604d46
Manifestc643712ac112be98ed5316437a6ea255c3834f59f915262b8deb71abad708f09

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
SignaturefcZ5AjU9XyGJOkVDpbH/f7pR9QSTyUBOm0pNr7f4nr6Hs6RUAKTzLcPWVsItO5lvforpd0ohctdYlMBPdwx/DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:34.878171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017446
observed b6faf2e6d9ac425dbc288a9830b46881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.859196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017446/manifest.json
observed c643712ac112be98ed5316437a6ea255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.842898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017446/publication.md
observed 6222c43bc8ab877cc82e86d9dd34ef6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.827195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017446/publication.txt
observed f24888a6c1f681f3325a259b925fbf59...
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.