OpenTechnical

OT-2026-000010387

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, vented after 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-2026-000010387) never changes.

Identity and time

Publication numberOT-2026-000010387 · never reused
Internal UUID01a0ae6c-0ee6-7b50-b931-0dc3f1eef147 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010387
StatusPUBLIC

Content hashes

Canonical text413f64ba18915c919334f576de25a3437e52ae757cfb871c70cf38adef0e401c
Markdown2dc16b3e8c89c4611866fbf5dd55e1e359084ae9942cc1f79be5e6ad75da27c1
PDF
Publication pagee8ca956ddb643a7d38d173441975b8a7d6e7fccb08bba50a0f7b7e229ea864f4
Manifest7f3e063500df01583336ab69e75d78cc73607d4761e4fbf421c0c95311d1a41b

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
Signaturel1/RzYgLCEiXCHjY8OJ04WdzCchxkMHXGTX1rwxkM8z7Yt0S+QZNv2RWOax8z4HaztdKJp/Yx72WYyjIqNZzAA==
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

2026-09-17T12:14:30.388810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010387
observed e8ca956ddb643a7d38d173441975b8a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:30.371315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010387/manifest.json
observed 7f3e063500df01583336ab69e75d78cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:30.353203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010387/publication.md
observed 2dc16b3e8c89c4611866fbf5dd55e1e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:30.333360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010387/publication.txt
observed 413f64ba18915c919334f576de25a343...
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.