OpenTechnical

OT-2026-000019958

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000019958) never changes.

Identity and time

Publication numberOT-2026-000019958 · never reused
Internal UUID01a0ae6f-1fb7-7d1b-80ab-3bb126876ccb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019958
StatusPUBLIC

Content hashes

Canonical text0cc557b71d197403136454cb0e4a9dc6c20ec64ed1eec9beed0916e81fa224ef
Markdownbb6a8119df2d9c15c994d0585dedb723a1384419046341a33ae3eed25650abd4
PDF
Publication page046d427a9fe530f1783d27364f8e1a25ab1afbb0e420acb992d4c2dc9b9dcdaf
Manifestb17498d0518cef35f7e87f5bf28f1d46c764444b5aa26586163e8dedf9e9562f

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
SignatureL4AGN5awLXVPXyyq675jHfOCnCjXyPkWVCdxftNZVqiHJLAm75a9sAvnzTpU45QzNzOShmlW2HDR6+xg70u7Dw==
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

2026-09-17T11:58:11.296394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019958
observed 046d427a9fe530f1783d27364f8e1a25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:11.274293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019958/manifest.json
observed b17498d0518cef35f7e87f5bf28f1d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:11.254403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019958/publication.md
observed bb6a8119df2d9c15c994d0585dedb723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:11.236279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019958/publication.txt
observed 0cc557b71d197403136454cb0e4a9dc6...
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.