OpenTechnical

OT-2026-000042234

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, sustained blow-off after 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-2026-000042234) never changes.

Identity and time

Publication numberOT-2026-000042234 · never reused
Internal UUID01a0ae7a-5d72-7f2e-a9ae-48a2744f3d01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042234
StatusPUBLIC

Content hashes

Canonical text03afc8d4fc67bb0c0fa7aaafe781e44df4eafad047e5b1903c499c94e0dc87ce
Markdown6efd85eb15013eaaece50d54fa984dbbea878e0fcdd7672467924e3f9c5154db
PDF
Publication page238bcafa8eaaa1d27a92c146557045e8c281e19178e0d4d29578c99bac21fb08
Manifest261ae373729239fae4653401dcc1a5149b9a415a2a71d053276bff5e92253804

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
SignatureXPDO+xKf3J62JweomfCB8q3C4HP4g3kLqx2wKZV6sRn5+BuMvRY/wByOP+USZ3WK8qDWzGjSRg1b9eEh5irQBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:54.740395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042234
observed 238bcafa8eaaa1d27a92c146557045e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:54.722490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042234/manifest.json
observed 261ae373729239fae4653401dcc1a514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:54.701878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042234/publication.md
observed 6efd85eb15013eaaece50d54fa984dbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:54.681766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042234/publication.txt
observed 03afc8d4fc67bb0c0fa7aaafe781e44d...
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.