OpenTechnical

OT-2026-000067591

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000067591) never changes.

Identity and time

Publication numberOT-2026-000067591 · never reused
Internal UUID01a0ae8f-6bda-7421-8387-1eabbc8ccfaf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067591
StatusPUBLIC

Content hashes

Canonical text20d3ae1637f7f2c7c8b054747e869b3623fa69196cc1c51bf9afe20dffc6c091
Markdown30c92705fdfe833b6ed37e901fe3c4afafac337ca4333b8333143f0b1ec394c9
PDF
Publication page2b3d8defc05894317e85031d3106bcd18c2552bf7607722cc0e7b0bfa6a8725c
Manifest432ff50974e92bcdb85ae4291d68cee8670b47f48bb4f7ee939e2b199b650e4d

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
SignaturecaO9Umq1f1H4F254tTmj9ANsfW+ejfflDQWNRVPZpej/dz4muX8+i2Vht6YN3IiNdljT3svgDub1eyaJyn0ECA==
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

2026-09-17T10:31:54.404511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067591
observed 2b3d8defc05894317e85031d3106bcd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:54.386375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067591/manifest.json
observed 432ff50974e92bcdb85ae4291d68cee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:54.370359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067591/publication.md
observed 30c92705fdfe833b6ed37e901fe3c4af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:54.354468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067591/publication.txt
observed 20d3ae1637f7f2c7c8b054747e869b36...
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.