OpenTechnical

OT-2026-000032168

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000032168) never changes.

Identity and time

Publication numberOT-2026-000032168 · never reused
Internal UUID01a0ae74-f7a6-7a55-9992-e02c77cfaa64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032168
StatusPUBLIC

Content hashes

Canonical text5b0603e1a819ea550b5fa248129c449bbed8b1be465a0ec1f89987fad80db788
Markdowna1fd58346174bfdbaa5742f42f332ffee5ecba293993d2579b00e7b891bda054
PDF
Publication page4dda6512cf23ef607457e4089e71f1059deb834e540d5097732797b365fa3682
Manifest4b1f8f6707839eadfb45f42a3a1c71a0a0f2894ffdd99fecfcc664a80442fe61

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
SignaturetBwKbeVKQQCweBSPaiGbXPSxrbiJqxqI5NMMmQcHAhWTMuR77knADehfQxvHAyFmUBCWSN7vk0UksdBe+3UECg==
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

2026-09-17T11:34:29.779481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032168
observed 4dda6512cf23ef607457e4089e71f105...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:29.761686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032168/manifest.json
observed 4b1f8f6707839eadfb45f42a3a1c71a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:29.744770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032168/publication.md
observed a1fd58346174bfdbaa5742f42f332ffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:29.726290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032168/publication.txt
observed 5b0603e1a819ea550b5fa248129c449b...
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.