OpenTechnical

OT-2026-000068218

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000068218) never changes.

Identity and time

Publication numberOT-2026-000068218 · never reused
Internal UUID01a0ae8f-c4ff-7e4c-b70b-d87fb16c9990 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068218
StatusPUBLIC

Content hashes

Canonical text9a1c4dcb1c2c84fc2cf1cc64b310a96dc16579e4d9e77f650253253a811fc458
Markdownffa9430d945388230bbcb411051d5491b0aa6646adf652c1e7dc570f4ce54ad2
PDF
Publication page8c4c02712067da3a43dd1a6ea24b4bb8d0378cee02209e2daf3bd94e8693a030
Manifestd955ab5a45bf3afff375385cca34038cc410fbec950e90660731879f9f389d73

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
Signature6tj5ecyWTrIAyMiW+FPhhIWFBF/CtdvAbM5cVvBnNNX37aEWcQOWlwtm2W7aOUf0JvLxZ80uqhzIZM2i7SPKBg==
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

2026-09-17T10:30:52.979763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068218
observed 8c4c02712067da3a43dd1a6ea24b4bb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.961125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068218/manifest.json
observed d955ab5a45bf3afff375385cca34038c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.941367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068218/publication.md
observed ffa9430d945388230bbcb411051d5491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.923911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068218/publication.txt
observed 9a1c4dcb1c2c84fc2cf1cc64b310a96d...
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.