OpenTechnical

OT-2026-000077056

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, vented after 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-2026-000077056) never changes.

Identity and time

Publication numberOT-2026-000077056 · never reused
Internal UUID01a0ae94-f507-7054-bf78-d69232e1e876 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077056
StatusPUBLIC

Content hashes

Canonical textc61f4a0df1351508cd0287f10bc3069c96e1948550c23cca45e7f3badeaa59c1
Markdown65b7b5816843dea33576f1d5a4ce582d373d98e059d5547881aee53b49d735a8
PDF
Publication page66cfffaae39337869472e917873bd07c5a2a564871d9869d416ebd8df5f62150
Manifest7a913fe11916a5fdf44c069593bee53bde5bb943fd81dc3d2ab49303d0742a4e

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
SignatureadlIA3TFOfIXzKJODHko1ye3IEmwT941uSWtqlWKcXR17AhgdNa+RLhP0Qc43mzE5phynhoVU3TYxTKJw7GYCw==
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

2026-09-17T10:11:20.241842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077056
observed 66cfffaae39337869472e917873bd07c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:20.222623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077056/manifest.json
observed 7a913fe11916a5fdf44c069593bee53b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:20.200416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077056/publication.md
observed 65b7b5816843dea33576f1d5a4ce582d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:20.054472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077056/publication.txt
observed c61f4a0df1351508cd0287f10bc3069c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.353212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077056
observed 66cfffaae39337869472e917873bd07c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.335059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077056/manifest.json
observed 7a913fe11916a5fdf44c069593bee53b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.316322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077056/publication.md
observed 65b7b5816843dea33576f1d5a4ce582d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.295372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077056/publication.txt
observed c61f4a0df1351508cd0287f10bc3069c...
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.