OpenTechnical

OT-2026-000097252

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000097252) never changes.

Identity and time

Publication numberOT-2026-000097252 · never reused
Internal UUID01a0aea1-01ca-72f3-bc0f-0ec3f08e4368 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097252
StatusPUBLIC

Content hashes

Canonical text81b5e3d1ad0a49f38a15e093b843a99e6814173ca46da3f4d0d71ef6f1957d06
Markdownf6beaac93ce75772a321cc8a4680807ef5f17f21aa5c7d125e1549f03c3fc43e
PDF
Publication pagec49fb130e86c5f77d790080240124a0c16b3d6709a344e0451a9d648d7a2a85e
Manifesta9d5af964f7e4392d0ba8daa9906b2e5a0b1ed65ef176e3ce7f8fb359c0a3602

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
Signaturensr09ghVQa5089ZI/CJxDDwWJSG5c1UlkP/9DOs9B42+1DFQHax0FZnVICpW601bufNB0oLu1UlXAD4GISu5CQ==
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

2026-09-17T09:33:30.339368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097252
observed c49fb130e86c5f77d790080240124a0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:30.322207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097252/manifest.json
observed a9d5af964f7e4392d0ba8daa9906b2e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:30.305514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097252/publication.md
observed f6beaac93ce75772a321cc8a4680807e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:30.288132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097252/publication.txt
observed 81b5e3d1ad0a49f38a15e093b843a99e...
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.