OpenTechnical

OT-2026-000049946

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after set-down

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-2026-000049946) never changes.

Identity and time

Publication numberOT-2026-000049946 · never reused
Internal UUID01a0ae81-fd77-75bf-a71f-6fdbf64b9759 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049946
StatusPUBLIC

Content hashes

Canonical texte0c900136458e7a6db14bda8ed265ec31a6bae344dc3605077081cb211a16d5a
Markdownf51d37e5f9a0c611ec4076a7d453ea9fc7f337dbfeffd9cd4d2286cabbf2f259
PDF
Publication pagee6ab4f63950499babe8134f0a30f8f6b2d58af405df31ecab3ee07e4939b3563
Manifest614b823e064bce1ece39976c39e41a57bf12177aebffbe46fba7878b51ba1c3a

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
SignatureBVfVZq8anaPMVOhBcgOCoGRacmBTDwVylzfSVliMm1KZActrZCSF/6BBqC2o5/96d0eW+2xv2RZV9YuZ4WobBA==
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

2026-09-17T11:01:53.098942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049946
observed e6ab4f63950499babe8134f0a30f8f6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:53.082641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049946/manifest.json
observed 614b823e064bce1ece39976c39e41a57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:53.060420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049946/publication.md
observed f51d37e5f9a0c611ec4076a7d453ea9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:53.039510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049946/publication.txt
observed e0c900136458e7a6db14bda8ed265ec3...
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.