OpenTechnical

OT-2026-000068348

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000068348) never changes.

Identity and time

Publication numberOT-2026-000068348 · never reused
Internal UUID01a0ae90-2480-735b-945d-5db653a2effc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068348
StatusPUBLIC

Content hashes

Canonical text4a700ab066fab38daa4ddda136d59f71ae212dfe3d267afd86e37c67ce3c7697
Markdown41202a3f5ae957d2c6392f4aa228d14be128233c280bf63c4691d72d9f18e047
PDF
Publication page56e451849b669700f54be86722e77ab6332f08327698023548e86510052a9308
Manifestd9223d06fa5b424b2b1fd41b40eec6a6fdbc53feb61731bb6e0ddef158f6db96

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
Signatureg9baur/2U0jIDjrqW28d6pVXSco2f477z0xT252+3fpqltWcITa+z4nPUohOYyL//YhO9ePgigAi5XeTgk82Ag==
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

2026-09-17T10:29:23.623421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068348
observed 56e451849b669700f54be86722e77ab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:23.604824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068348/manifest.json
observed d9223d06fa5b424b2b1fd41b40eec6a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:23.587031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068348/publication.md
observed 41202a3f5ae957d2c6392f4aa228d14b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:23.567886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068348/publication.txt
observed 4a700ab066fab38daa4ddda136d59f71...
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.