OpenTechnical

OT-2026-000075922

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000075922) never changes.

Identity and time

Publication numberOT-2026-000075922 · never reused
Internal UUID01a0ae94-29ff-7b2a-86c3-0f3c499001c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075922
StatusPUBLIC

Content hashes

Canonical textdca06bdbcd691aa7e3d90d0d8e411d8bb066ef93e0f7245151f09ab0ddfc386a
Markdown1050fd6df8965c8cba159091501cdbd615f4d56f64420e1a230b68271a74e661
PDF
Publication page1e17948d02be4e10ce73002e70d0b671e7e2e25bc9f39b71b56bf0008021ab4a
Manifest694b050c253c6951169b04bfac464466da3a747ba17a7579756bf21215c01d42

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
SignatureQsR5H422Sn3Zc6eciqAS+CptWmzY+5Yx9P1PgnaoDo0npoQh/vrdyzZ1ax2trDEGWc2ZlFQBjPg9ineygJYaDw==
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

2026-09-17T10:14:46.264872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075922
observed 1e17948d02be4e10ce73002e70d0b671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:46.246723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075922/manifest.json
observed 694b050c253c6951169b04bfac464466...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:46.227617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075922/publication.md
observed 1050fd6df8965c8cba159091501cdbd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:46.208662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075922/publication.txt
observed dca06bdbcd691aa7e3d90d0d8e411d8b...
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.