OpenTechnical

OT-2026-000097891

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000097891) never changes.

Identity and time

Publication numberOT-2026-000097891 · never reused
Internal UUID01a0aea1-92f7-7f3d-a7de-9688c25a075b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097891
StatusPUBLIC

Content hashes

Canonical textdb3e13655c071bdfe8aa51fb12a6170bf130e568ea8958835ba9265ce8bb82ce
Markdowna4a8e855c045d5b404bb1bde64d979f92d01cbc3b0bad5e6757d624a37662170
PDF
Publication page511d65980e8e92f1205b93e9123a67eab4423f8ba9d8f0432be70e19c00eed31
Manifeste4cd520a48975a02fd0fe8e6cc23095d037cdeeb6ff86b2b14da38e3b6aeb9a5

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
SignatureJTqKneOcSLpkD0/GQ9dl07bVqbQYTtTf1gJpUWnvkocuRUG1g60t8f7vh/6hLsq7D9Xr23dsodcxU9wYuqBxBg==
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

2026-09-17T09:33:00.697224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097891
observed 511d65980e8e92f1205b93e9123a67ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:00.679495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097891/manifest.json
observed e4cd520a48975a02fd0fe8e6cc23095d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:00.660589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097891/publication.md
observed a4a8e855c045d5b404bb1bde64d979f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:00.642457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097891/publication.txt
observed db3e13655c071bdfe8aa51fb12a6170b...
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.