OpenTechnical

OT-2026-000011583

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, vented 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-2026-000011583) never changes.

Identity and time

Publication numberOT-2026-000011583 · never reused
Internal UUID01a0ae6c-8900-73fa-ade9-8a720ea6bb49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011583
StatusPUBLIC

Content hashes

Canonical textc25a81a0027445dd2cb50bad0f4c9f5781d8d6920f424ba013bb86c770825dfa
Markdownc8473176efd8a39654f9c9076897f7d6ac93173a34fec1a4e13d7798239d3753
PDF
Publication page898795a3a56480ded96949914af667c9067589173ae5a973a276e286810108ed
Manifestbd584b9c1651af21d6a8edc1cfa06af5ce15fb9e49925970422cf456413868f2

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
SignatureiR0zPLMw/H7bNpoL0q4hOqCi50Sm/u1wpRKQgAWuAXrLbhuhnHzZaIlA4dC3PqXYhdTCl5y61WBJ21IXyHlUCA==
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

2026-09-17T12:13:29.121688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011583
observed 898795a3a56480ded96949914af667c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:29.104418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011583/manifest.json
observed bd584b9c1651af21d6a8edc1cfa06af5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:29.084902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011583/publication.md
observed c8473176efd8a39654f9c9076897f7d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:29.068280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011583/publication.txt
observed c25a81a0027445dd2cb50bad0f4c9f57...
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.