OpenTechnical

OT-2026-000102341

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000102341) never changes.

Identity and time

Publication numberOT-2026-000102341 · never reused
Internal UUID01a0aea4-50f4-7b75-aa43-53742ab816d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102341
StatusPUBLIC

Content hashes

Canonical textedbef360180fcc42a9a9aef49c96ca665fc4f8335238b275a67aa020fcc39f3b
Markdownaa682c05bbd967168974b309ee2b26b74442588e37826d33ade63034db2168ba
PDF
Publication page672682309936f0d1a50433440fb2760e6564250bf4341df608c5d57e189f3deb
Manifestd1843ebf1c8496879c4e627970e013cc0cf37b07a0c56ebb70ac817ac1925120

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
Signature+jpkCcikOGENMqi0owRIo73o+S+rDyVmAKC2vhYEOOHKozQoP+xe9DYhObfzZ1kyhb/GnS69Z7jGR/In8ezWCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:33.064691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102341
observed 672682309936f0d1a50433440fb2760e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:33.047574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102341/manifest.json
observed d1843ebf1c8496879c4e627970e013cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:33.028386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102341/publication.md
observed aa682c05bbd967168974b309ee2b26b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:33.011388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102341/publication.txt
observed edbef360180fcc42a9a9aef49c96ca66...
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.