OpenTechnical

OT-2026-000018663

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000018663) never changes.

Identity and time

Publication numberOT-2026-000018663 · never reused
Internal UUID01a0ae6e-d520-7471-aabb-3966940324b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018663
StatusPUBLIC

Content hashes

Canonical texta0d70bcca7bc7f1af089fc011c389e6ed2dff17e35f46acf623033d93f3a7beb
Markdownf627078a5ed4cb7b8368911985f4ad714a6ac8ed620e3184526f9fca259b8912
PDF
Publication page80a5d3d5cd115b7b0cd79a54d34b27158e6beaf0918aec1010954e6b502ca6d8
Manifestf47d3c42172a929dc9ea3a5da81cbdd4482187b26ae11e3b70bdd72497a0a9e2

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
SignaturelcMTPqyV8xJZEg/Ory0x+oyfbG+3xU9syhYrJGpzjleHkSEksKYdVQb/odP7xg2uGO+cCfhCt+YsyrWppS74Dg==
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

2026-09-17T11:59:05.483760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018663
observed 80a5d3d5cd115b7b0cd79a54d34b2715...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:05.431442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018663/manifest.json
observed f47d3c42172a929dc9ea3a5da81cbdd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:05.413392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018663/publication.md
observed f627078a5ed4cb7b8368911985f4ad71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:05.345173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018663/publication.txt
observed a0d70bcca7bc7f1af089fc011c389e6e...
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.