OpenTechnical

OT-2026-000049190

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000049190) never changes.

Identity and time

Publication numberOT-2026-000049190 · never reused
Internal UUID01a0ae81-134e-7c8e-8409-c399585bc22e · 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-2026-000049190
StatusPUBLIC

Content hashes

Canonical texta98d9006911d5a89e5f756339c19540e9f96a8f291aad915f32ccc2e7c228691
Markdownad6b9af50862c4e2fba986be7e1056afd6fb6550e37f00ceac654b2ac6493f20
PDF
Publication page702a616201e5660eaef8d500244af78f822fb3da2cfb1770e6e7543e6b51ab2e
Manifest7c1d91b5acdafc46abed82c41e8fa72c1855d1880ff0facb4e852ce07bf3959a

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
SignaturejjqhmPgiFWbWBgDdQ7KW2WdMkxm82ns7wG8lXFDvPykJ4S35uNi/zP72hlNlnAJ5gpokEwCOE7/KwaqWHUBvCg==
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

2026-09-17T11:03:59.957432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049190
observed 702a616201e5660eaef8d500244af78f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.937933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049190/manifest.json
observed 7c1d91b5acdafc46abed82c41e8fa72c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.919909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049190/publication.md
observed ad6b9af50862c4e2fba986be7e1056af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.900354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049190/publication.txt
observed a98d9006911d5a89e5f756339c19540e...
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.