OpenTechnical

OT-2026-000085890

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000085890) never changes.

Identity and time

Publication numberOT-2026-000085890 · never reused
Internal UUID01a0ae99-e82a-7bd0-8ed8-0ebff9999303 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085890
StatusPUBLIC

Content hashes

Canonical textd4de5b3053eb64c08a51f810558393083534153a9b75286008350d967b1204db
Markdown40b0284dcd9dc737067cfe1fdab3e7bd77899271773bffae6eb0e344dd13c50c
PDF
Publication page5784ecc2c016c72a409bcefeb979980bdff23b69bcb4a05af3a3ddd23bd8d35d
Manifeste145d81cdf8ec412c83c2e3805eaa2ea8b3ecd5ac2b6e6cf4e7943f1589873b4

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
SignaturePurotrNlF3OkPhV7SF/1gGjI0XCGaKyJSdC5Na1tIXX+QObq9pRd74MoclcYZOrbpPSKmHzuzvbd0S1RSHtEAQ==
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

2026-09-17T09:52:49.820966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085890
observed 5784ecc2c016c72a409bcefeb979980b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:49.804207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085890/manifest.json
observed e145d81cdf8ec412c83c2e3805eaa2ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:49.785898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085890/publication.md
observed 40b0284dcd9dc737067cfe1fdab3e7bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:49.767428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085890/publication.txt
observed d4de5b3053eb64c08a51f81055839308...
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.