OpenTechnical

OT-2026-000049226

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000049226) never changes.

Identity and time

Publication numberOT-2026-000049226 · never reused
Internal UUID01a0ae81-134f-7108-931b-b3a3c4c58430 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049226
StatusPUBLIC

Content hashes

Canonical text6c6a69a32ecf08a207fe03eb34b6f851b2e9edb59564d7dba612895d20737cbd
Markdowna1c04e3b839324c19b50a4ce251d7bec180a275fca4905f68e2350b0ef97d96e
PDF
Publication page2e13c4fc3a0ab649c158d5cec2958b23295883da209f1fd3d06f82af0468278e
Manifest4fee6f3751ee1453a3bd9fce098230d5449180c8f62b23194f18986da619a3d0

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
SignatureoRXsGPrspoJed1q42CQDoeA11L0VLF9J1/yrh4vNdWz48fnI3mv3OHzsMMiij5XQBP8JKjuJvo/S+baod3ASCg==
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

2026-09-17T11:04:02.943655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049226
observed 2e13c4fc3a0ab649c158d5cec2958b23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:02.924541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049226/manifest.json
observed 4fee6f3751ee1453a3bd9fce098230d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:02.904249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049226/publication.md
observed a1c04e3b839324c19b50a4ce251d7bec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:02.885351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049226/publication.txt
observed 6c6a69a32ecf08a207fe03eb34b6f851...
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.