OpenTechnical

OT-2026-000030414

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum 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-2026-000030414) never changes.

Identity and time

Publication numberOT-2026-000030414 · never reused
Internal UUID01a0ae73-e503-756d-9a40-5e3307719e7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030414
StatusPUBLIC

Content hashes

Canonical text76262bd6246d1e26812542c91c0ee5563f282c9ae469248397cb0c413f0fb3f3
Markdown510104d60daae444e565c1680801fb233beb994bf797449ccffd3afe3dbc7520
PDF
Publication pagef2d2e2727921044cd4d0c13d52b04e0be4ecd3f80eb2443225bf87f87ef572ec
Manifest0c94ddc5bcbb06ad114c62f9aa1b73d13a6d6a40cadb2057896a8ab411d9cb92

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
SignatureiWpY2w2Cn+wUc435K357rU3rUvB00Kt7QZtKPJHsSfMzRb1zZozG+NvHH0EuY9dLtCR+awLGo1GtMuww9c4dAQ==
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

2026-09-17T11:38:08.855808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030414
observed f2d2e2727921044cd4d0c13d52b04e0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:08.836364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030414/manifest.json
observed 0c94ddc5bcbb06ad114c62f9aa1b73d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:08.818488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030414/publication.md
observed 510104d60daae444e565c1680801fb23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:08.799930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030414/publication.txt
observed 76262bd6246d1e26812542c91c0ee556...
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.