OpenTechnical

OT-2026-000097994

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000097994) never changes.

Identity and time

Publication numberOT-2026-000097994 · never reused
Internal UUID01a0aea1-92f7-7aa2-be76-771725520f15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097994
StatusPUBLIC

Content hashes

Canonical textcfd6cb3426e923d00e355b82eb3d956d3eb2c84008ef82b607a18319eb1f9079
Markdown938b7f2f71f020cee8720d4203e12906e7a1b71a3f4ca4c2e2aa85c7ae0c156b
PDF
Publication page3c0a0cd5b28d33a53f0fa1ed88223b7d374adcc6f32e9e9d01802dff5d130246
Manifest0db4326097886be655d1973d73cff2d02711315b1b60ddba7172034082ef2990

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
Signature0EkKw1p3mKRSklibiupwRt/iGrsmgAbgMcspo8Pq7FnzbH5bo/toP6fExVg4HbOA0PnAtH2CHmF2ilh/M1zqDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:08.919882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097994
observed 3c0a0cd5b28d33a53f0fa1ed88223b7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:08.901029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097994/manifest.json
observed 0db4326097886be655d1973d73cff2d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:08.882002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097994/publication.md
observed 938b7f2f71f020cee8720d4203e12906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:08.863573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097994/publication.txt
observed cfd6cb3426e923d00e355b82eb3d956d...
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.