OpenTechnical

OT-2026-000019167

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, 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-2026-000019167) never changes.

Identity and time

Publication numberOT-2026-000019167 · never reused
Internal UUID01a0ae6e-f391-78df-a3d8-a2cf07b78397 · 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-2026-000019167
StatusPUBLIC

Content hashes

Canonical texteb225811b028db100775127c615781019b771c6d45ac0cb0679098cfaf0cce31
Markdown8929b04f8e28bfd7668f537cd6c7ab0539c7837e51ef25148c070cf25225b161
PDF
Publication page341f2f50e72ced8403a6d36b29430784e7451ea27a62c96b6ebc9f94fba3441d
Manifesta61e6f384053741bcd29336e490a7c55da0bd3a8f2724d8f6de2d5d938538c76

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
SignaturegOhGGOpw8kM/xw51on1eBRt3dBx8FMqCPM33gHazWvTt+hzTraSUttynXbN2kbm0JSn21fXD9AyxdNlH3AI/Dw==
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

2026-09-17T11:58:28.752851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019167
observed 341f2f50e72ced8403a6d36b29430784...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:28.736576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019167/manifest.json
observed a61e6f384053741bcd29336e490a7c55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:28.717314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019167/publication.md
observed 8929b04f8e28bfd7668f537cd6c7ab05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:28.700058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019167/publication.txt
observed eb225811b028db100775127c61578101...
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.