OpenTechnical

OT-2026-000054863

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line 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-2026-000054863) never changes.

Identity and time

Publication numberOT-2026-000054863 · never reused
Internal UUID01a0ae86-1285-7c1f-97ea-b3dae379171b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054863
StatusPUBLIC

Content hashes

Canonical texte6dadcd28d73c1020786146c52e7d380d38608821c4a6f6a44f0ebad0483bb02
Markdownfc2f4b2d4cd77456dcd482a2b9a74ab75fbb43c2433039bdff3ae2ceac4f6a7c
PDF
Publication page0a99fab9f5a1c50fd32bfb06cdd8fbe9740e520db913a86286ca3153a58fa2d5
Manifest452d87c88fbfc4f4bcdfca370816149cb5cb53a8e1c4ed9a748d78a25f8ea6ee

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
SignatureAsl0KO1yfjiINtRYeC4+qqroYUyLrieAfDXjyClngpj5Oz+NornX7lGNATYiSJSRa9mseKmpeuzi3eMWKQjcCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:05.015727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054863
observed 0a99fab9f5a1c50fd32bfb06cdd8fbe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:04.996929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054863/manifest.json
observed 452d87c88fbfc4f4bcdfca370816149c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:04.978952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054863/publication.md
observed fc2f4b2d4cd77456dcd482a2b9a74ab7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:04.961322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054863/publication.txt
observed e6dadcd28d73c1020786146c52e7d380...
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.