OpenTechnical

OT-2026-000018441

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000018441) never changes.

Identity and time

Publication numberOT-2026-000018441 · never reused
Internal UUID01a0ae6e-b48a-7943-bd48-a528b711e422 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018441
StatusPUBLIC

Content hashes

Canonical textcaa9b6e8d579ba428b72edab25b23b8f74b111f59f4996eb55ab79ec4ca0ba0b
Markdown47294805d28766513b45a58ab2441e0975cb6bc4b6a655d86e7837d6092a3266
PDF
Publication page8e919a55dc3d84b54cb75dda4a814eb30fa4415184a10a93dcfb288afd46fda8
Manifest9710355387b7cf6b9c946abbb2113bb28ecd2a754e88447c94e11283fc30b23a

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
SignatureuA2OYAIRUoAh2IG1IBLRhRlKEM4aq9fvGDPNV5q31u5qpXTuvscGgcFeLaBjUcYNudlX93F4ZwbHE3iJiQ37AA==
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

2026-09-17T12:00:04.645684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018441
observed 8e919a55dc3d84b54cb75dda4a814eb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:04.626328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018441/manifest.json
observed 9710355387b7cf6b9c946abbb2113bb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:04.553627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018441/publication.md
observed 47294805d28766513b45a58ab2441e09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:04.488135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018441/publication.txt
observed caa9b6e8d579ba428b72edab25b23b8f...
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.