OpenTechnical

OT-2026-000073258

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, vented before set-down, on a tool changer

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-2026-000073258) never changes.

Identity and time

Publication numberOT-2026-000073258 · never reused
Internal UUID01a0ae92-efb7-7173-bd4a-4e754593d9af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073258
StatusPUBLIC

Content hashes

Canonical text1aa38a7fb56daf0c0083c71baa67fe2009f774da9d2733a5bc688f5e05fed14d
Markdownc877af82279aebd79128e7163f7115d380e18dc7f9999f84a3b4195a432b5626
PDF
Publication page03bcced308a1f1fd060d61509f8f230e9c3b9fb92e86fd373e2912b64e37fa83
Manifest40480b79deeb978a52edf71448b63beafa1ea4d4626d4c1a08f26bf6026c5f1c

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
SignaturekIxej3JWB+rTB57RYAGVBeUMtib9Ark39n8aNJo6Z0fy99kdBlojO5rydieQVNHPDOIEV5XB5WwZ3chXaqWZDA==
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

2026-09-17T10:21:15.422968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073258
observed 03bcced308a1f1fd060d61509f8f230e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:15.406431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073258/manifest.json
observed 40480b79deeb978a52edf71448b63bea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:15.386843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073258/publication.md
observed c877af82279aebd79128e7163f7115d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:15.367127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073258/publication.txt
observed 1aa38a7fb56daf0c0083c71baa67fe20...
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.