OpenTechnical

OT-2026-000078717

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single 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-2026-000078717) never changes.

Identity and time

Publication numberOT-2026-000078717 · never reused
Internal UUID01a0ae95-ccbc-7fb4-b986-906e981dde41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078717
StatusPUBLIC

Content hashes

Canonical textc2d177b83e11569a50c0f792450eaab7eab3d7516e350d8d51df35cf019b1dac
Markdown981ecb936d96e80aced90a23b4fef12e1d0829bb6a97674f671724c7c6aa33a7
PDF
Publication pagefb079e779b59317b0a5c5463033db2b076cd52a851cd5f894cac76626b1b4427
Manifest700bf78cf42e65fab41e69170c22bf1fd5fe674c03ea52bf4e3f8fa4b502769b

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
SignaturevKHW2qqnSRTVEULdvajalMzL08RMLg4tyTGKnsfKLpZpUQ1KzR103SDzN85oi3h6M6Z0lKIXDjqflcPRNMAJAA==
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

2026-09-17T10:05:30.015639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078717
observed fb079e779b59317b0a5c5463033db2b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:29.996591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078717/manifest.json
observed 700bf78cf42e65fab41e69170c22bf1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:29.979223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078717/publication.md
observed 981ecb936d96e80aced90a23b4fef12e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:29.962331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078717/publication.txt
observed c2d177b83e11569a50c0f792450eaab7...
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.