OpenTechnical

OT-2026-000041373

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained blow-off 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-2026-000041373) never changes.

Identity and time

Publication numberOT-2026-000041373 · never reused
Internal UUID01a0ae79-b144-731f-ba97-cb932cda1760 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041373
StatusPUBLIC

Content hashes

Canonical text854ecb55ddbec560738609aac4c00931532f4590a22852ad17abd62fa53faa10
Markdownce05efe00e2b4687445725c0239292ea07082c138bd8d0d1e9f91cf0c3f78cc5
PDF
Publication pagec91a816e4be8d9c80aa469d00bd63bcb1da3a19518245d479fb68d8cd8c11dd1
Manifest8917a8e5edb0244cbf7bf763443ff8b23fd77aca3cf6730f8dd12e2877c0ebad

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
SignaturebSE3KMwoNT97DzRHYsZ4ixN/YlvySoMb89/vcLIO9svh9+9EYQh9rdasXj5N/ZPt7liW8kIcSMILp6t7uDZhDA==
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

2026-09-17T11:17:22.765532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041373
observed c91a816e4be8d9c80aa469d00bd63bcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:22.745446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041373/manifest.json
observed 8917a8e5edb0244cbf7bf763443ff8b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:22.726046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041373/publication.md
observed ce05efe00e2b4687445725c0239292ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:22.707121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041373/publication.txt
observed 854ecb55ddbec560738609aac4c00931...
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.