OpenTechnical

OT-2026-000049841

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000049841) never changes.

Identity and time

Publication numberOT-2026-000049841 · never reused
Internal UUID01a0ae81-8ff0-7d0c-90bc-0295bba003dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049841
StatusPUBLIC

Content hashes

Canonical textc9f382619f7f8e3f9e477acf02f1edbfd67dd04a6113595516fcdf6fa5cc4d62
Markdown0f5e0fe87f626d56503bd98c3fe19a63f5d549c6580aec2f97c06da23b4d6a49
PDF
Publication page60f5ed95f6df5a1ef2a5f8f7f3053045e6caeea018c370071cc4e1e5b36ad210
Manifestac36ac433920f212365bd419290fb3ef15798cc24761cf2c14bf4133af80a327

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
SignaturevEE9sobTXX2FyKvR4C+pqnOCi93Layl5jldr3zeKJArOpQ0WmBpkFavS+sqpYpdUQv/M852PbaV3sEZNaOA8CQ==
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

2026-09-17T11:02:58.837660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049841
observed 60f5ed95f6df5a1ef2a5f8f7f3053045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:58.818502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049841/manifest.json
observed ac36ac433920f212365bd419290fb3ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:58.799402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049841/publication.md
observed 0f5e0fe87f626d56503bd98c3fe19a63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:58.780209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049841/publication.txt
observed c9f382619f7f8e3f9e477acf02f1edbf...
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.