OpenTechnical

OT-2026-000017938

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, 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-2026-000017938) never changes.

Identity and time

Publication numberOT-2026-000017938 · never reused
Internal UUID01a0ae6e-96fc-78bf-91a9-9fb32d56b426 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017938
StatusPUBLIC

Content hashes

Canonical texte61a5ed0cd5437b3496e382a98e4d582f2b86a94a55daf420387c10ee02e6589
Markdownb819b0525cf6bb48ab9d5c9f88c92a6343b37dff8f2ab8fa6ccbf31c743b11ac
PDF
Publication page0b1991883f158bbe4aace40cde742ef47e997292e2129f466d2ae7192bcd1936
Manifestfc7077771d7a0e41a19063283f6a27a707d325318d49c76c11305ab7ac9086a2

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
SignaturecH8DnN5PwOQkpXJS2jd0bGLZVUK9V0wabQHdKl3Elf6oL+4kyZxOc8NoCYDSM7K0S/lOomjGB3cpZSssxzqEAA==
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

2026-09-17T12:01:56.111904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017938
observed 0b1991883f158bbe4aace40cde742ef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:56.094719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017938/manifest.json
observed fc7077771d7a0e41a19063283f6a27a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:56.077378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017938/publication.md
observed b819b0525cf6bb48ab9d5c9f88c92a63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:56.059636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017938/publication.txt
observed e61a5ed0cd5437b3496e382a98e4d582...
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.