OpenTechnical

OT-2026-000033188

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000033188) never changes.

Identity and time

Publication numberOT-2026-000033188 · never reused
Internal UUID01a0ae75-4844-7ef5-976d-eab592e39201 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033188
StatusPUBLIC

Content hashes

Canonical texte3228ee542880fa90043d49961e9f38224fe92e56479a50dbc17192a10c98bef
Markdown45451ca6ccf08d9b90547148532b76f2f25fb51209e82784d846d932f21b5d7b
PDF
Publication page0840a06c532a1bdac7762f3e46ae58d5dd83a786c8cf05c51b52b4aba252634d
Manifest72df9d97e42dc1e0dccb99b924cb4371cbf5ccecfa5b0ace723bca0059a3cdc0

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
SignatureWox7WcTi8rZ0nB7lZbMyPCM3jQADK4aqKbkcOI8wWEyXxuZ5Y0LFw5PJ9apVoZR66FW+YAZIZrSzqmBi7hoKAg==
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

2026-09-17T11:32:53.026219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033188
observed 0840a06c532a1bdac7762f3e46ae58d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:53.007826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033188/manifest.json
observed 72df9d97e42dc1e0dccb99b924cb4371...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.990651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033188/publication.md
observed 45451ca6ccf08d9b90547148532b76f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.973701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033188/publication.txt
observed e3228ee542880fa90043d49961e9f382...
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.