OpenTechnical

OT-2026-000032161

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three 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-2026-000032161) never changes.

Identity and time

Publication numberOT-2026-000032161 · never reused
Internal UUID01a0ae74-f7a6-7af6-89f6-488ab4945107 · 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-2026-000032161
StatusPUBLIC

Content hashes

Canonical text7e04f2b39ca9516cf1611665347e3d42bd96f8010c0e8590e0981104d644e02b
Markdowncaab5180181049060db27a393b41df770d7f921b8ef5cd9e2dd2e217e2d28386
PDF
Publication paged4042ce08dc2454b505d0c45042f5198d767f86ab6851daa1226cf5b6f38aa76
Manifest5860cc9789e785310f3ac6db65b92b4e4287b6526f5d19bd8b81301c65d57ae2

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
SignatureLqoKmtik8TNPvPEF79Tvhb97AO+MrPduOhcn+R2wDJTHAQbM3p6kBv7Jm4CHtubT+4ezd64pciVSMhWFll/fAw==
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

2026-09-17T11:34:29.214110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032161
observed d4042ce08dc2454b505d0c45042f5198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:29.193325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032161/manifest.json
observed 5860cc9789e785310f3ac6db65b92b4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:29.172549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032161/publication.md
observed caab5180181049060db27a393b41df77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:29.147578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032161/publication.txt
observed 7e04f2b39ca9516cf1611665347e3d42...
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.