OpenTechnical

OT-2026-000042009

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, sustained blow-off after 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-2026-000042009) never changes.

Identity and time

Publication numberOT-2026-000042009 · never reused
Internal UUID01a0ae7a-5d6f-7716-a95e-b8f1d4bb27af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042009
StatusPUBLIC

Content hashes

Canonical text6670fe258dcf83990317e71794a3be2cedd41f63181379c97df7245fc5391148
Markdowna9eda6d2bdde9b2d3234dde7660cea5251417c6e7e1c778572e7b69a53c033b1
PDF
Publication paged85bc7c825f5e5a925f1e8466b23c0bb0a3c95201a555e39cec1cd6623f2149c
Manifestfc25f085c4e1044c2a11370fca1785b98de0689b75b2dfcd6920c3fe750e4009

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
SignatureLvUGGgaP7bfDXReO6IkMUeqBnOgL7EzIgwii4bd2fMRqk68ISwxUbgYRoz7H/2QRtrcAgI3A19/RBe8kfhM/AA==
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

2026-09-17T11:15:30.563761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042009
observed d85bc7c825f5e5a925f1e8466b23c0bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:30.543561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042009/manifest.json
observed fc25f085c4e1044c2a11370fca1785b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:30.522089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042009/publication.md
observed a9eda6d2bdde9b2d3234dde7660cea52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:30.502851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042009/publication.txt
observed 6670fe258dcf83990317e71794a3be2c...
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.