OpenTechnical

OT-2026-000019469

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000019469) never changes.

Identity and time

Publication numberOT-2026-000019469 · never reused
Internal UUID01a0ae6e-f393-79be-b165-f11a1153da25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019469
StatusPUBLIC

Content hashes

Canonical text97eb6645e02d1dd856c446af36080639e7f8c176ee85a58f33106b9bf5127f97
Markdownfa38698b54382fb61f360f7a854291d33f2d026cb0e87c806e8e857ca10a0ffd
PDF
Publication page99d292daa704a6faa9244ae51e44be0f0449364b64c1cb910e31031ed981c205
Manifest8344908574a569d90be2b3a8208d6a2fd532f8030cb5dc9763b2dc77a3b379d8

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
SignatureH329OHwa9Pyo7tOPuD4GWusoxHt/6hCaRkB4yrwLoYXwzesKWdgUNsoJYNc6UAocB3HTozAmK95mDizbIdFUDQ==
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

2026-09-17T11:58:52.522362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019469
observed 99d292daa704a6faa9244ae51e44be0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:52.502090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019469/manifest.json
observed 8344908574a569d90be2b3a8208d6a2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:52.483442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019469/publication.md
observed fa38698b54382fb61f360f7a854291d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:52.465077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019469/publication.txt
observed 97eb6645e02d1dd856c446af36080639...
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.