OpenTechnical

OT-2026-000086188

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000086188) never changes.

Identity and time

Publication numberOT-2026-000086188 · never reused
Internal UUID01a0ae99-e82c-73bb-ab38-a818718263c6 · 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-2026-000086188
StatusPUBLIC

Content hashes

Canonical text6791777726b4b25a6e6265ef4fc827ff3309983d924ec3bf92f26e858a841165
Markdownd3fa5b71404cbfdb100fabc58ff1dee4c85612c103e6232c2680bb945efa94e3
PDF
Publication page6eed441eda3b3ad6567bacb6a5c7a8e9799e7b6357ba083c0b21f537a3154427
Manifest7259b3206986753258386a14f702216c5eb3d099f034bb75865b02826423b5e2

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
SignatureHn5t6bUd4w/E3nsl9HYqxDxVUpjMF9CVSO0EhMaGzjpjLp0C5pmS7/poexdc9C9qAD7fI+vgrGJVUR6RZH/DAg==
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

2026-09-17T09:53:51.978853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086188
observed 6eed441eda3b3ad6567bacb6a5c7a8e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.961888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086188/manifest.json
observed 7259b3206986753258386a14f702216c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.944693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086188/publication.md
observed d3fa5b71404cbfdb100fabc58ff1dee4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:51.927167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086188/publication.txt
observed 6791777726b4b25a6e6265ef4fc827ff...
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.