OpenTechnical

OT-2026-000089094

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single 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-2026-000089094) never changes.

Identity and time

Publication numberOT-2026-000089094 · never reused
Internal UUID01a0ae9b-daff-759d-b5f2-536fc860d2ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089094
StatusPUBLIC

Content hashes

Canonical textd87049e7e40cc60309200ea52284401d84d49e30336a8ca86068c90374706c20
Markdown8c44677fc43f8bbdcc4a76e13d43e76f799ce9f7017ef24a9c27f0d607d66806
PDF
Publication page4aee41c5ae44622972e3c19aee53784f9c91a549de6d282e97171a5dd58919dc
Manifest9932d9fa587232f8e8b2563e6ab2ab7ebafed4a16c1b13a1f5fa7ba6e0f66dbe

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
SignaturebAmH1Kw5XPG+stExpuIJ5Ffsj1k/mpTQ1kEE0jie4KOJcSs4TX64p2UXtAWHWto62PcJA7CXtOE4NqhbD8ekAA==
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

2026-09-17T09:47:00.091421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089094
observed 4aee41c5ae44622972e3c19aee53784f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:00.075800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089094/manifest.json
observed 9932d9fa587232f8e8b2563e6ab2ab7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:00.060103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089094/publication.md
observed 8c44677fc43f8bbdcc4a76e13d43e76f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:00.043028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089094/publication.txt
observed d87049e7e40cc60309200ea52284401d...
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.