OpenTechnical

OT-2026-000032308

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000032308) never changes.

Identity and time

Publication numberOT-2026-000032308 · never reused
Internal UUID01a0ae75-106d-745c-a9bd-7c58c344334a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032308
StatusPUBLIC

Content hashes

Canonical text42807a859c764864af15765b54b8bacf0a8ed18c7b6db0192776383c28ca5cf3
Markdown78194004f1533ce4ecd8ecac73cb27ba9231b75d8c9c74804084b16eb53075b2
PDF
Publication page5c9896c831f241243059bf471a2b53d8aa9602284d073df6a36d66ccb6166256
Manifestd3c75aceb4189df79d0f52f988a86b2926825c0d1e0bf806d5ca1a31c3dfb17f

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
SignaturejsEZdvU651b6vT2lZR9rmERUAXT2HD9aWg3nG7/f4oarQ8yC9+YjVa5kb2dyK/KJH+v5psGzaUYzvpAx9BckDg==
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

2026-09-17T11:33:08.490890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032308
observed 5c9896c831f241243059bf471a2b53d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:08.472270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032308/manifest.json
observed d3c75aceb4189df79d0f52f988a86b29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:08.452036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032308/publication.md
observed 78194004f1533ce4ecd8ecac73cb27ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:08.432872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032308/publication.txt
observed 42807a859c764864af15765b54b8bacf...
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.