OpenTechnical

OT-2026-000019426

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000019426) never changes.

Identity and time

Publication numberOT-2026-000019426 · never reused
Internal UUID01a0ae6e-f393-7ac2-b247-7207bf688b02 · 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-2026-000019426
StatusPUBLIC

Content hashes

Canonical textd513244ca1ac4caaf7f96e6eea469c29ae21437fc2e5bd7351f14f0471f06431
Markdowndb1cfc4109b3455609a098362a7e08338f88a21fbb3c3e4a49db52276f0f81b0
PDF
Publication page53ee432d801cd42fc82d42d1f61bf44473d02fc871efd225d59c23ca647bd410
Manifest8f088944b7d0e61df79e215d1717d348edc446f918ae2005f73a9f49941a55d8

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
Signaturen68cTswqJ/0C3fefb+DTq1U6vtLFbg/EiXzzjMmZ60Lz4TleoefAmj5DMf2EzYl+GROP7KuUPWC6PEV9pNHoAQ==
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

2026-09-17T11:58:49.189459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019426
observed 53ee432d801cd42fc82d42d1f61bf444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:49.172144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019426/manifest.json
observed 8f088944b7d0e61df79e215d1717d348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:49.153989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019426/publication.md
observed db1cfc4109b3455609a098362a7e0833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:49.133719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019426/publication.txt
observed d513244ca1ac4caaf7f96e6eea469c29...
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.