OpenTechnical

OT-2026-000043992

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000043992) never changes.

Identity and time

Publication numberOT-2026-000043992 · never reused
Internal UUID01a0ae7b-d679-7686-899f-f42eecb2c2bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043992
StatusPUBLIC

Content hashes

Canonical textce71ab6b6ab664945d4a13b39e1c3b98bc3523fd195f69e4ffe22c4d1ab378c1
Markdown25a82fd6b67e314ff26884218b646134d46633bb2bae8db29c2e1b49b07b07cc
PDF
Publication pagec7ba559e55eb12a852f8b09e7b67b4b95d4d5c696d1f174dfd0e5258fa915475
Manifest7b02ceb017c89f3eee6e401737afad155b2c4a8ee98ea68f0e9bcca33cbe13b5

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
Signatures54QKnqAn/K+bVms8TuGvYIVaK2XWmZI7ymfupjvsQiDA+SMIcXAqRMETS9xmkZmhBzm59F24jChDGRR6XREAw==
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

2026-09-17T11:12:21.869535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043992
observed c7ba559e55eb12a852f8b09e7b67b4b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:21.848745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043992/manifest.json
observed 7b02ceb017c89f3eee6e401737afad15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:21.789042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043992/publication.md
observed 25a82fd6b67e314ff26884218b646134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:21.753933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043992/publication.txt
observed ce71ab6b6ab664945d4a13b39e1c3b98...
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.