OpenTechnical

OT-2026-000099103

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, manifold 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-2026-000099103) never changes.

Identity and time

Publication numberOT-2026-000099103 · never reused
Internal UUID01a0aea2-8287-7112-a017-521a78220f4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099103
StatusPUBLIC

Content hashes

Canonical text28c4a858b66be6283a13f7992eedd078e20e4943ed76238141bb3762cb1af333
Markdowndca6c0f67d424b545cf22fa955d3903697d9432e23ca0147a0b3e4cbdb67be45
PDF
Publication page1fd46880b15af7740eae97eb09c97d64a2d8c129d18066422e0364187ad437fe
Manifest19fed1eab90c1bbdd3da33790e0555eca6014d7759ab476763f6676fc4ea62c3

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
SignatureAnB7brpO/avmRojIa/w4o6kclrBVDgLAQBde11KYJCPcIcvxJsITD1JlNwkAUDQx9n1jXjEbsW9nOsZY06LfDQ==
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

2026-09-17T09:30:20.740136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099103
observed 1fd46880b15af7740eae97eb09c97d64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.722277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099103/manifest.json
observed 19fed1eab90c1bbdd3da33790e0555ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.702761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099103/publication.md
observed dca6c0f67d424b545cf22fa955d39036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.683339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099103/publication.txt
observed 28c4a858b66be6283a13f7992eedd078...
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.