OpenTechnical

OT-2026-000074224

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000074224) never changes.

Identity and time

Publication numberOT-2026-000074224 · never reused
Internal UUID01a0ae93-7178-7d1f-b7f9-f8a662be5a3e · 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-2026-000074224
StatusPUBLIC

Content hashes

Canonical text84da350a8462ec00aee7c0ab6f235dedfb250f1f521f69573acb14f2a8861c68
Markdowna3bcfdc711986954522a79584c29144760e6d63c5586bec110e908824bcef97b
PDF
Publication page66285ae76b8332b246860813c904cfe3901dd2dcdae293c9623166492b22f67f
Manifestbdb369b5715977152828f285b3b5b752b9ba48f23d4a6577739351c56a66c615

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
Signature0I3KDkZclLeDgM0zmJ7FduQP1lH2hS7H8zKAjMu3b1uqDjca6l/4hGauhFo+0UxsGMfPydISoNyKZu58HZ7FDw==
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

2026-09-17T10:19:05.282822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074224
observed 66285ae76b8332b246860813c904cfe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:05.263096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074224/manifest.json
observed bdb369b5715977152828f285b3b5b752...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:05.245171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074224/publication.md
observed a3bcfdc711986954522a79584c291447...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:05.225710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074224/publication.txt
observed 84da350a8462ec00aee7c0ab6f235ded...
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.