OpenTechnical

OT-2026-000030654

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off before 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-2026-000030654) never changes.

Identity and time

Publication numberOT-2026-000030654 · never reused
Internal UUID01a0ae74-3fb3-73d8-8fd7-f093a44b313c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030654
StatusPUBLIC

Content hashes

Canonical text84535951da21af8930bd2386dba9efd195ef82cf12b4949ebf3a543959c2375f
Markdown7f924f13e6912a78e974cd01c89acca8f9a16b60dff0670f5676833ec16a3cf8
PDF
Publication page576def6d43ae2f0224c49b110aabba03aaa0305af22600994a9728868c74e8cc
Manifestd8b205d69d628412fe1ae8f9cc683e3eee53c9fe58b7af370792ae9ceecab66a

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
SignatureAWToy18MMixbunRMQEY1Bg8D1yTdpPYHxQ4yxOl39d04BhEyYlSxIDJU+3+S6Hn2XvDGoR33qnLE/Lj/L9UICw==
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

2026-09-17T11:36:32.330434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030654
observed 576def6d43ae2f0224c49b110aabba03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.310912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030654/manifest.json
observed d8b205d69d628412fe1ae8f9cc683e3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.295129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030654/publication.md
observed 7f924f13e6912a78e974cd01c89acca8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.278124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030654/publication.txt
observed 84535951da21af8930bd2386dba9efd1...
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.