OpenTechnical

OT-2026-000091559

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000091559) never changes.

Identity and time

Publication numberOT-2026-000091559 · never reused
Internal UUID01a0ae9c-f16e-723b-b431-913a3d1e0cf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091559
StatusPUBLIC

Content hashes

Canonical text73d2e7bad873b23d707acedefdd0dbf9ce9f6e067a3ae8cfef46fd95ea770380
Markdown0d54ce6d7f07f4529b81237110ec93010c55ac74aa8aa234cae938ad40d15ae4
PDF
Publication page886ad65f31c110a8365bd06348de4296162cf8c4c4eddbc7966984cfc7766b8d
Manifest393061975fdac57e7cef4199890bb6b8c71f24d69315339746f171fdfbfee31a

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
SignatureFrj9FyjdGpxMLWEewGP5VDCHUFBgbrCCSL7qO3tK/p6LQvr3RgyKsFYiaOzZssENgoXhmp6QXdXMxIxADKpjDg==
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

2026-09-17T09:43:49.717701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091559
observed 886ad65f31c110a8365bd06348de4296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:49.701174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091559/manifest.json
observed 393061975fdac57e7cef4199890bb6b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:49.686402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091559/publication.md
observed 0d54ce6d7f07f4529b81237110ec9301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:49.670396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091559/publication.txt
observed 73d2e7bad873b23d707acedefdd0dbf9...
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.