OpenTechnical

OT-2026-000014947

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed 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-2026-000014947) never changes.

Identity and time

Publication numberOT-2026-000014947 · never reused
Internal UUID01a0ae6d-d095-73d8-bf43-55af0ecb1716 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014947
StatusPUBLIC

Content hashes

Canonical textbc71cc73be259157de2435966cdfabc290da62a04b4a91e9707527e374c0f519
Markdown100c630ec6af6db35d104d7dbb96be107987eaadfdfa56414cf5e55dafbd97ce
PDF
Publication page1844e82223e7c1092a242edabe956a1c3912fa68bb1b50325b7f1a2223f3af18
Manifest2afe1fcca8e41ab4cfe4283ed32802b2c612029be1d98936a11dc77f712846f1

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
SignaturesJQ2xNGKzWbatlD8cctVjvIs7CB6+x4pmEK9NAnNc9kiVUTgh4kIh0m7tG1Lr9Zz1ATvOLQ5BTuFs0hNk27LAg==
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

2026-09-17T12:06:53.736541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014947
observed 1844e82223e7c1092a242edabe956a1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:53.717741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014947/manifest.json
observed 2afe1fcca8e41ab4cfe4283ed32802b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:53.698337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014947/publication.md
observed 100c630ec6af6db35d104d7dbb96be10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:53.677628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014947/publication.txt
observed bc71cc73be259157de2435966cdfabc2...
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.