OpenTechnical

OT-2026-000032773

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000032773) never changes.

Identity and time

Publication numberOT-2026-000032773 · never reused
Internal UUID01a0ae75-1071-7727-a7d0-45d18dc22b60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032773
StatusPUBLIC

Content hashes

Canonical text48167f75de073ec881bc4cfc47d5070173a24e391f8549b1fd0a879fd02d2631
Markdownc0fc7ab5feddc3fb74bd13b29ae4b845d7df756dcfec3fcf9ffb625d6adf58a1
PDF
Publication paged8191782e1318dfe35bf282758c7e432f99cb0c44abf1c0718c765d5fcc5543c
Manifeste19bd41fe5cd7f3c79f156688e6d42e7e47615c3b957560bd0b5b73f1c8e4858

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
Signatureo4MBen4WcjovhWGgmg3WC28CHY8t/o7ao+bzAdNBiw0oZ2ZblpQG7SaO8amoOEKyQ1IGuavcSg/1+IXbKXtjBg==
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

2026-09-17T11:34:24.409853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032773
observed d8191782e1318dfe35bf282758c7e432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:24.394079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032773/manifest.json
observed e19bd41fe5cd7f3c79f156688e6d42e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:24.374483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032773/publication.md
observed c0fc7ab5feddc3fb74bd13b29ae4b845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:24.356819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032773/publication.txt
observed 48167f75de073ec881bc4cfc47d50701...
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.