OpenTechnical

OT-2026-000032224

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line 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-2026-000032224) never changes.

Identity and time

Publication numberOT-2026-000032224 · never reused
Internal UUID01a0ae74-f7a7-7a82-9160-287194c84e1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032224
StatusPUBLIC

Content hashes

Canonical text03890e049272c4fc2532d6e1be434356726b1c74848ee135bb85f3d7ca0b431c
Markdown213cfeb89b6cb9bf30f0da33bd64f6bc1a3cced4663c700ffeaec1844a873ddc
PDF
Publication page2056b5cd7da2973e2c3e1d256d3b9ab03606e6174498e12edfca85ff18654fd0
Manifest08e65eab403d2272688c039b84ad55f25179f1999f0ddbb1e4de59d22146b206

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
SignatureyM2kXGIFoEhKvEYkcq+mq4bJL3S6NvVhAfDZJaIYJOEjlg4MzjJ+xMKzA1yrPAjXi/vymf9rc2zSBvYKbPB1Bg==
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

2026-09-17T11:34:34.509603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032224
observed 2056b5cd7da2973e2c3e1d256d3b9ab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:34.493597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032224/manifest.json
observed 08e65eab403d2272688c039b84ad55f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:34.474838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032224/publication.md
observed 213cfeb89b6cb9bf30f0da33bd64f6bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:34.455916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032224/publication.txt
observed 03890e049272c4fc2532d6e1be434356...
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.