OpenTechnical

OT-2026-000022838

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, sustained 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-2026-000022838) never changes.

Identity and time

Publication numberOT-2026-000022838 · never reused
Internal UUID01a0ae70-46ea-7533-8365-33eeeb608e02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022838
StatusPUBLIC

Content hashes

Canonical text901c7d6a9a25fbbb388fbd34d5103b2c45f19d585d990058370d56d988d9c981
Markdown2b75bd7a789e650f0fc64ea2521b3cb47b396e375ca1f70ad16824d136bbadb2
PDF
Publication pagecf3424cd534f2b6c4aff2fe6dc2bfe00ed876ade78d70a4b6df4c86f2d8e4732
Manifestccdb1fd82a640d17dafb69676ae957c80b03fc7a953a75ec775bc0476cec2406

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
SignaturenTFODrq1iZ+hSS74EC1QzEPgPTKGO/+XS/8VRUWUJghXVd+llCBmHdf5Q2ddbaKprs0ljpCe1AduY5hXuBrSDw==
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

2026-09-17T11:52:22.394153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022838
observed cf3424cd534f2b6c4aff2fe6dc2bfe00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.377678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022838/manifest.json
observed ccdb1fd82a640d17dafb69676ae957c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.359924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022838/publication.md
observed 2b75bd7a789e650f0fc64ea2521b3cb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.341774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022838/publication.txt
observed 901c7d6a9a25fbbb388fbd34d5103b2c...
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.