OpenTechnical

OT-2026-000018589

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000018589) never changes.

Identity and time

Publication numberOT-2026-000018589 · never reused
Internal UUID01a0ae6e-b48b-793e-a040-eb512ffc8d52 · 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-2026-000018589
StatusPUBLIC

Content hashes

Canonical textc7ded57a7e9fc548b78791c8158a142331b2ea16f1c4bbabad63ead982bd753d
Markdown81fb45c3b92d2b0623acc121794bb3ee7875213b714a792329d9fb728c79480e
PDF
Publication page5d18faba64905d11a084fde64a19e1219f4e88fcb9f7afa8d1751baf0ba876a4
Manifest4af6ae6730c435619401689537ff4ef45224b31da023855e0146b1fdffe98a75

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
Signatures0ugBJgoJapcJeedzzyvdXifKGRQy/eB7EkypT8uDb4jUpoeAJtqKGU0TeLgns0BcmoAOq+uQdjVGDF9e5t5AQ==
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

2026-09-17T12:01:23.612740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018589
observed 5d18faba64905d11a084fde64a19e121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:23.597113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018589/manifest.json
observed 4af6ae6730c435619401689537ff4ef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:23.579911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018589/publication.md
observed 81fb45c3b92d2b0623acc121794bb3ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:23.563885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018589/publication.txt
observed c7ded57a7e9fc548b78791c8158a1423...
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.