OpenTechnical

OT-2026-000042066

Publication integrity record

Foam pad vacuum gripper, plant vacuum 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-2026-000042066) never changes.

Identity and time

Publication numberOT-2026-000042066 · never reused
Internal UUID01a0ae7a-5d70-74f1-b5e0-a8e835822ef6 · 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-2026-000042066
StatusPUBLIC

Content hashes

Canonical texteed409dc26928a16311989309a510d8cc24c889f259853ac77d7dfde6dd02089
Markdown185bf8db5190f81b8d217503bc585ebf0118c7f8705ae696bbeebe1ccf193349
PDF
Publication paged699b94f5f2826ab5a19f9ff1e7febfb45248561496dae64e1231f51b359f357
Manifest47d35517894ecbeace531679456ee3d3652152f8e651f10aa0c67ee782012bb8

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
SignatureTb/mBGWiqy1SPa0mzMtsnH+pMFwLeQYWMh2H1wVz2TaCv/6d1JLQAsJvqWQwYsHiUVelF3JtLKOPZxWvquKyAA==
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

2026-09-17T11:15:35.297894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042066
observed d699b94f5f2826ab5a19f9ff1e7febfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:35.278107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042066/manifest.json
observed 47d35517894ecbeace531679456ee3d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:35.259319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042066/publication.md
observed 185bf8db5190f81b8d217503bc585ebf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:35.241473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042066/publication.txt
observed eed409dc26928a16311989309a510d8c...
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.