OpenTechnical

OT-2026-000030666

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000030666) never changes.

Identity and time

Publication numberOT-2026-000030666 · never reused
Internal UUID01a0ae74-3fb3-73c9-94e3-8760110b621d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030666
StatusPUBLIC

Content hashes

Canonical textf6bb9b9311dc79d377e4b680a1f578ab5fe43aafa5bb9d5242421bd2c4807f8b
Markdownf05d1ecfe08ef667e18c824ba0e3531999686e5b3d77dbbe1281d2b473811fe8
PDF
Publication page9eb8932e62294f466accf14852add81f1190fa100568f3dd07e001466c58cb2b
Manifest73104fa282ad314f87e131bd2b4a9f7529a94a04e1adbbf4924b10cecc2a1b0f

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
Signature+mgt/9V5dMaalKXRh8vSoTQP1TAvi94rNXT0mgTSEs+21rYlxooTBQzmyhZBIJ1whQvfPPjutlXlYYCdoEVHDQ==
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

2026-09-17T11:36:33.166791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030666
observed 9eb8932e62294f466accf14852add81f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.148815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030666/manifest.json
observed 73104fa282ad314f87e131bd2b4a9f75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.130882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030666/publication.md
observed f05d1ecfe08ef667e18c824ba0e35319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.112107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030666/publication.txt
observed f6bb9b9311dc79d377e4b680a1f578ab...
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.