OpenTechnical

OT-2026-000003606

Publication integrity record

Porous face vacuum gripper, per zone isolation, plant vacuum fed, pressure verified at each zone

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-2026-000003606) never changes.

Identity and time

Publication numberOT-2026-000003606 · never reused
Internal UUID01a0a90a-83c2-7288-9043-775d3ac61a42 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:13.732744Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003606
StatusPUBLIC

Content hashes

Canonical textd06fd391786927ace8b5628cde29f4f2f7848141e1b6da41cc064dbe880cbbb9
Markdown768d646c8329431c651ad688b5f9c8b304b5e51111d5dcd12f21ee894bd0c749
PDF
Publication pagefedffa895cd415e339c3157c9c2a8a8c46b602ea6d150f5d3c388cd63efe7e53
Manifestb31439ed4c19f550c41377e440c49064f01867ac83d6c1d7061c67fb84ba41f1

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
SignatureQI4w7W6v5pRuKI3ILdK/HWa/josb987hfX8j++oFRmNk5VDOHCdvywS5wMZLBUULd/pgtZ36Lnh1JyH0P34pDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:40:34.232029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003606
observed fedffa895cd415e339c3157c9c2a8a8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:34.216116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003606/manifest.json
observed b31439ed4c19f550c41377e440c49064...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:34.201000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003606/publication.md
observed 768d646c8329431c651ad688b5f9c8b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:34.127130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003606/publication.txt
observed d06fd391786927ace8b5628cde29f4f2...
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.