OpenTechnical

OT-2026-000034246

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed blow-off 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-2026-000034246) never changes.

Identity and time

Publication numberOT-2026-000034246 · never reused
Internal UUID01a0ae75-df0d-71e9-a96b-dc2a7449241c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034246
StatusPUBLIC

Content hashes

Canonical texte098042979111568391840ec8ebc65862bc89139989e095b5175ae935c138fdb
Markdown0fa771f3a9d9a0f6ddf769edeb0f3a0104ecd1e5500b5dd9c4d17442213ca599
PDF
Publication page18a7c7fdfb14e1c514fef12910bf091f720840a34fe9e6d77aae79e76047a175
Manifest3203bf1a7268d371763e3a16aea84244e44ab8640f8aece117f5c9f315357f2c

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
SignatureW+7yfLWL9eIYDjEMP5fgGDJ0vnMn4EcsXEUtJFSttGkQaMWFwXli/jT4+ApQwhCI6P4Km3PAEDlop05oR+/NBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:48.146729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034246
observed 18a7c7fdfb14e1c514fef12910bf091f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:48.130873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034246/manifest.json
observed 3203bf1a7268d371763e3a16aea84244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:48.112264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034246/publication.md
observed 0fa771f3a9d9a0f6ddf769edeb0f3a01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:48.094157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034246/publication.txt
observed e098042979111568391840ec8ebc6586...
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.