OpenTechnical

OT-2026-000063669

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000063669) never changes.

Identity and time

Publication numberOT-2026-000063669 · never reused
Internal UUID01a0ae8c-f946-717a-9de0-dca037c9a91f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063669
StatusPUBLIC

Content hashes

Canonical text176c34d0e2db0345dc7db5ad770c2c9d93ade65b6cdb1de50613fa796113bd36
Markdown6a9321e1492a42060c4d2aab61eef03ac8200181469b6a25861bd7f35f93eefc
PDF
Publication pageda441bcaeafa64e7dd043211e9fa5d3566e2a81a74829f6dbc9705488e92fca4
Manifestead5b1ccd0750ef6d6eb2a8092d2f36f9462c54beb4c55bdc986a1035b1894d3

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
Signature0BHGiZBJpx8xNX06GywqGcGt+xfsZYNH9qB+m43gHUFauqfw4E8kozDZrq9d36zLO1N5QQP+WPqaZmoqtfBsDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:46.879649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063669
observed da441bcaeafa64e7dd043211e9fa5d35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:46.864541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063669/manifest.json
observed ead5b1ccd0750ef6d6eb2a8092d2f36f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:46.848228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063669/publication.md
observed 6a9321e1492a42060c4d2aab61eef03a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:46.831126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063669/publication.txt
observed 176c34d0e2db0345dc7db5ad770c2c9d...
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.