OpenTechnical

OT-2026-000041843

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000041843) never changes.

Identity and time

Publication numberOT-2026-000041843 · never reused
Internal UUID01a0ae79-e8a5-7bad-8b49-2af0a9998199 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041843
StatusPUBLIC

Content hashes

Canonical text642174f3ac618ad1d7015d18cc8171f2f7b25107761956a553c9acb6bc43d91c
Markdown38d53f79b9ccaa757eaa2006d4ab4cd9dc12b82be5ff3becf986966d64964c98
PDF
Publication page14aa53629bec0451d9e8dc80699c4e2dc71470477a377d62fab602701b3582d8
Manifest9c0b4c5309e7efdc7ecd0f4f9fe2a1f8a0ee3215d4bf049761ed88f49172edaf

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
SignatureFSTmqudvfLJRMsdMz7zc3ytl1gclAqAG4Tj+4ZQkLzbG22UXu1ccMseQ1fm/MbCl54GleNVyCooJLKjPOd5GBA==
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

2026-09-17T11:16:42.648614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041843
observed 14aa53629bec0451d9e8dc80699c4e2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:42.630668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041843/manifest.json
observed 9c0b4c5309e7efdc7ecd0f4f9fe2a1f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:42.611701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041843/publication.md
observed 38d53f79b9ccaa757eaa2006d4ab4cd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:42.593294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041843/publication.txt
observed 642174f3ac618ad1d7015d18cc8171f2...
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.