OpenTechnical

OT-2026-000038922

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000038922) never changes.

Identity and time

Publication numberOT-2026-000038922 · never reused
Internal UUID01a0ae78-769f-794e-8c58-8c7681948a62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038922
StatusPUBLIC

Content hashes

Canonical text12509458f94208415b0f9ccec5e1026ab56cfbe01b420bc61a4ddefeb62da1e5
Markdown7419d0901d8d2eb3f7edcae5072541488ac4aeaffd3c6608a7831d54e02db5ee
PDF
Publication pagec51c83d977f981ec7723d7bea357c60f8803d57ee8f2f85503233a9e957dce4c
Manifest75a14007f13eae4aaabdcb22bc0fbb5e7652d15fb358d7c66ccfbaa0c24f49fd

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
SignaturesDTfHTqZlOwZC8IfqtI9ZxQye6URiCsD1GkRdNvZqP1vMcei0Nm9EtFav9TqltaVBgJG9WVHYdHc8/E8tHkIDg==
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

2026-09-17T11:21:35.892092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038922
observed c51c83d977f981ec7723d7bea357c60f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:35.875478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038922/manifest.json
observed 75a14007f13eae4aaabdcb22bc0fbb5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:35.857649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038922/publication.md
observed 7419d0901d8d2eb3f7edcae507254148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:35.839750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038922/publication.txt
observed 12509458f94208415b0f9ccec5e1026a...
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.