OpenTechnical

OT-2026-000046291

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000046291) never changes.

Identity and time

Publication numberOT-2026-000046291 · never reused
Internal UUID01a0ae7e-57cb-7454-b3b6-07f52e5b7860 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046291
StatusPUBLIC

Content hashes

Canonical text27e6f2cead7dcf8d043731399c3b69effd9f16f867d79fcdc64ffe779d8dec4e
Markdowne8bd241d65d5649e4b47c8d87b6cf5590b7703de29e567c2f14e5d8cf1669ee5
PDF
Publication page4d2e9a5c7da2f0ba45e728b41528fcd0c483386506e83490ae198f099369d036
Manifest052593d03370c9d17fcc5607097ee979760e8365f2121d97bed707a00eb39aaa

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
SignatureEAiO+bO0KFXNXG3OcOqq5opB9kPv05x0xEtra/0bST//1yhP68h7ZS9QwKO2jhbu441wVKi5IniL90DzFvZgBw==
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

2026-09-17T11:08:15.361430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046291
observed 4d2e9a5c7da2f0ba45e728b41528fcd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:15.339509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046291/manifest.json
observed 052593d03370c9d17fcc5607097ee979...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:15.318897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046291/publication.md
observed e8bd241d65d5649e4b47c8d87b6cf559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:15.298392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046291/publication.txt
observed 27e6f2cead7dcf8d043731399c3b69ef...
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.