OpenTechnical

OT-2026-000018430

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000018430) never changes.

Identity and time

Publication numberOT-2026-000018430 · never reused
Internal UUID01a0ae6e-b489-72d9-b830-aa3a19310544 · 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-2026-000018430
StatusPUBLIC

Content hashes

Canonical text2fe55f673eccdd6a173d49b7428125a1a028b80ad4e5b8b446f43e10c68dc0f7
Markdown52991c8ef6364cfea1c69d33fcf08d77954649c5b69560a9b987be4cde2dbc67
PDF
Publication page39205fba18e5b09d695503ebd313954b466fbface03f3310f42c145bce296476
Manifestfb597fe7df4a8045466b58a4250bfc494634ba672061d1e22dc4d11b7547e21b

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
SignatureWIDKjBxCYloF9hAvXMU12B0nCIicWQ5NKZvmyt6Te3L8NprNtCxAeWPttXGFtoJDkhtpVDkqbNYPtCBuuSRjAw==
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

2026-09-17T12:01:10.868855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018430
observed 39205fba18e5b09d695503ebd313954b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:10.851378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018430/manifest.json
observed fb597fe7df4a8045466b58a4250bfc49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:10.831845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018430/publication.md
observed 52991c8ef6364cfea1c69d33fcf08d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:10.810841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018430/publication.txt
observed 2fe55f673eccdd6a173d49b7428125a1...
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.