OpenTechnical

OT-2026-000091744

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000091744) never changes.

Identity and time

Publication numberOT-2026-000091744 · never reused
Internal UUID01a0ae9d-43b9-726e-af3c-88e411b27d9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091744
StatusPUBLIC

Content hashes

Canonical text92b487144dbba631724ae77ca2d441adf8c4bd33314eda64a1419f71629bf628
Markdowndbe395a7d05e8ae1dab9c161da5673ed8ed430b78dcda942d91290da6afc36c7
PDF
Publication pagef45e494060fa23ef507df45d21f53079cd433452c23537704eac46567bba85fa
Manifest7065e253e1e111f7c9b64b5b8501e879b1aeb7758f3ac4a8e1d2239ed4609fd9

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
Signatureo1hYkdmWQuGsrg3Tcg2WmbvCYyXDsarKHaGhtQHrHlYNLgnVEyIyfKCbEBjtCQyPP7HMDbjdyapbDkwZHZMUBQ==
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

2026-09-17T09:42:38.213293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091744
observed f45e494060fa23ef507df45d21f53079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.197740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091744/manifest.json
observed 7065e253e1e111f7c9b64b5b8501e879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.180927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091744/publication.md
observed dbe395a7d05e8ae1dab9c161da5673ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.164107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091744/publication.txt
observed 92b487144dbba631724ae77ca2d441ad...
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.