OpenTechnical

OT-2026-000056306

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000056306) never changes.

Identity and time

Publication numberOT-2026-000056306 · never reused
Internal UUID01a0ae87-4bd1-7965-bf1e-0004784a0e28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056306
StatusPUBLIC

Content hashes

Canonical text25efe48a88b1b4d3b17620c09877d76bea3848d9969e9dc1a402351560f06857
Markdown980573b9a17118556d5842347188bc48da463a598f37a6af7b352d77152e6b3d
PDF
Publication pageba8e180fa42828c4ebffe633d61803b7c357d5b9b3b0b001c1ed67c99330cbfb
Manifest078c079cadfc704446a508cab39af51600cd0c5b0ae474e200f6a56389d393d7

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
SignaturezDlU+f/+oXyD1h2sBXqAUGFiGcKDfEf3s/nY1YEAkk2GQ3fRS7e7CeEzKMQPSgFKWdjAmmlj+Jg1JTm11vj9CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:48.309596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056306
observed ba8e180fa42828c4ebffe633d61803b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:48.292871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056306/manifest.json
observed 078c079cadfc704446a508cab39af516...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:48.277118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056306/publication.md
observed 980573b9a17118556d5842347188bc48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:48.259817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056306/publication.txt
observed 25efe48a88b1b4d3b17620c09877d76b...
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.