OpenTechnical

OT-2026-000074140

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three 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-2026-000074140) never changes.

Identity and time

Publication numberOT-2026-000074140 · never reused
Internal UUID01a0ae93-7177-7adb-b720-8e394898d08c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074140
StatusPUBLIC

Content hashes

Canonical textced3149041452bd3822bfb761660db080b6505383d167465aaa084b13c9b142a
Markdown7b1a8c69dd647946399747f434d5b268d694e919769bcac0af4a675f2958afd2
PDF
Publication paged7ba86fc3420ea9ae80c6a902c531eae9c0c263681b5cd97b609e174b6af942c
Manifest5b307eadbc4b6dfce6125c1c5245a66531ad12adb38657a06f62c09494e1e0b8

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
SignatureOz0mJLES228gm2zO4WhZtXloA1I2ytZkhPwZYBY5mfMXC5CTQa5eq5dDsTcke3LsQtq5fMCgo48S7FmvhhVqBw==
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

2026-09-17T10:18:59.131088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074140
observed d7ba86fc3420ea9ae80c6a902c531eae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.113474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074140/manifest.json
observed 5b307eadbc4b6dfce6125c1c5245a665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:59.013144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074140/publication.md
observed 7b1a8c69dd647946399747f434d5b268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:58.995912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074140/publication.txt
observed ced3149041452bd3822bfb761660db08...
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.