OpenTechnical

OT-2026-000066019

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed blow-off 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-2026-000066019) never changes.

Identity and time

Publication numberOT-2026-000066019 · never reused
Internal UUID01a0ae8e-8dc2-775b-ab59-9c458a44bf4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066019
StatusPUBLIC

Content hashes

Canonical text4b15bd09cfa80ef055b52608e07d7f140a4ab5d890b1e788d9cdb0e5c087de7e
Markdownf2433fa41ec1536098161a3acf8ac33215b758f075c177050e5af47eb10964c1
PDF
Publication page83a5959715df6dc185df0030aa7704ae0ccb9249b2bbc93a804ee8583fb608ee
Manifest92dbc40202afdab9d4a804a4bc16615f0c3e7dd0c7f32fea75acabf78b48856d

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
SignatureztfevY/5ISYN0WuljZa+PVvUYHgD1Tft3mTVzAyb1SwKJJK2mP1GaNDVaKW8eHZVLhssV+jWMPH2P5nCMOnZAw==
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

2026-09-17T08:50:34.767283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066019
observed 83a5959715df6dc185df0030aa7704ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:34.750378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066019/manifest.json
observed 92dbc40202afdab9d4a804a4bc16615f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:34.733441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066019/publication.md
observed f2433fa41ec1536098161a3acf8ac332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:34.588067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066019/publication.txt
observed 4b15bd09cfa80ef055b52608e07d7f14...
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.