OpenTechnical

OT-2026-000074293

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold 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-2026-000074293) never changes.

Identity and time

Publication numberOT-2026-000074293 · never reused
Internal UUID01a0ae93-7178-724a-8740-c583b2f4d519 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074293
StatusPUBLIC

Content hashes

Canonical text7afe93d151a4bbfca092f1f4fb7d2e1778127737c128ca0c2856f85172a770f0
Markdownefe76545ee5d47773cf2512596ec67e6698312d7ffdb4b3a190bb849120397e2
PDF
Publication page9cde5bd1cf50cc4bc2252a28b5d60b23a7ccaaa1f31953360bcd5c659e277fc2
Manifest6574503b6d3a52460ad7465d15023faea4c0caec0cd9344e60661b9095f81af0

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
SignaturekezXekWosloEX8xGWHv+/DJV9nGSP4r9yRgccXyn6EEwcRnkqfPmIZRnSvWIlfganrZSzvaeQEOIqDmf+0sABw==
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

2026-09-17T10:19:12.224888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074293
observed 9cde5bd1cf50cc4bc2252a28b5d60b23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:12.205199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074293/manifest.json
observed 6574503b6d3a52460ad7465d15023fae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:12.187539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074293/publication.md
observed efe76545ee5d47773cf2512596ec67e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:12.170487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074293/publication.txt
observed 7afe93d151a4bbfca092f1f4fb7d2e17...
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.