OpenTechnical

OT-2026-000030049

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000030049) never changes.

Identity and time

Publication numberOT-2026-000030049 · never reused
Internal UUID01a0ae73-ac4a-7b21-b448-49207c207970 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030049
StatusPUBLIC

Content hashes

Canonical textf339e92441dd5943de973acbac94013970a19695e7684dbd31a87c669b35c53e
Markdown93cfb275b9263543778124ac156296501d3b04d1c5209d92dc2ae12bd31ca64a
PDF
Publication pageed6df535f4c71b5701aa658fc39d7ce6d845e0153b78e8a290a1e47eff717268
Manifestd624f3d0788b1b4da723890bc857e0b2bda7b59fb47ed232005b4e442c5ccfff

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
SignaturejQYwYJubUqabB9p0oSjY5/C2OpJQU+s/XNDUnjXtAJSevuEmrwTkAYbpU4LKg8zuPV78tSMOOpAE9i5lbqV+Dg==
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

2026-09-17T11:38:47.306179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030049
observed ed6df535f4c71b5701aa658fc39d7ce6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:47.289524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030049/manifest.json
observed d624f3d0788b1b4da723890bc857e0b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:47.271378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030049/publication.md
observed 93cfb275b9263543778124ac15629650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:47.252376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030049/publication.txt
observed f339e92441dd5943de973acbac940139...
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.