OpenTechnical

OT-2026-000022226

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000022226) never changes.

Identity and time

Publication numberOT-2026-000022226 · never reused
Internal UUID01a0ae6f-f4fc-7788-bbed-952c93fd6da8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022226
StatusPUBLIC

Content hashes

Canonical text1909cae2496212193ae310b67f77729bb0f734874d2431599282e3670274cc80
Markdowna1a04c1f9bf808f794e2921867475307dcbee129be17ddaf9c753064a60a3b4d
PDF
Publication pagef29733e130b6364e69e37b28846524db60c9494087dac905c527aa6aa03a545c
Manifest8e9e747e5ff904a4e2d1b9677bc1fb1135dfcb61b8727bc115088d331ee83579

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
Signature1SofWYm1IEJqBVOlE9VeyaufZPy0WTw2BO2uOtwmctrSGutdSfRZIinYXFZO8+trWTNQzWDSwLQ1Bhj4lNnUAQ==
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

2026-09-17T11:52:54.965863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022226
observed f29733e130b6364e69e37b28846524db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:54.950069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022226/manifest.json
observed 8e9e747e5ff904a4e2d1b9677bc1fb11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:54.932825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022226/publication.md
observed a1a04c1f9bf808f794e2921867475307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:54.917339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022226/publication.txt
observed 1909cae2496212193ae310b67f77729b...
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.