OpenTechnical

OT-2026-000104334

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000104334) never changes.

Identity and time

Publication numberOT-2026-000104334 · never reused
Internal UUID01a0aea5-3420-777c-9c04-96e749e0427c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104334
StatusPUBLIC

Content hashes

Canonical text7405a05d82b70d6e5ab419f1029c90203b6a2b1719345cb98ca7ceebc807f99f
Markdown7f5c0168032bb3b4b72b61d5b90b38114edc8a7c003c3e36363f89ebfcf19c06
PDF
Publication page5f682bbfc482a65875bd7f4d1ab618358e0d0884554db5bb15226f69a14170a4
Manifestda1574e95a5b0fafd71131fb8581faa5d6aae1f7f7e0ca8600a65052ed7bb945

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
SignatureY+y1kTtoneuc3ImU1jERqKSPWjusAJwh8W4bUV58HfoUP0O64Q0WqYXECZ832maFJ6GDoeFhbVdN4y4M02wgBQ==
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

2026-09-17T09:21:35.269275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104334
observed 5f682bbfc482a65875bd7f4d1ab61835...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:35.251809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104334/manifest.json
observed da1574e95a5b0fafd71131fb8581faa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:35.233724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104334/publication.md
observed 7f5c0168032bb3b4b72b61d5b90b3811...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:35.215330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104334/publication.txt
observed 7405a05d82b70d6e5ab419f1029c9020...
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.