OpenTechnical

OT-2026-000011958

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum 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-2026-000011958) never changes.

Identity and time

Publication numberOT-2026-000011958 · never reused
Internal UUID01a0ae6d-1942-7998-990c-05ac393d5a16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011958
StatusPUBLIC

Content hashes

Canonical text6da173663e9f259842e1b94dfee5a4a786ceb4a110b9d4556eeb4dc647c00ac7
Markdown28a06a60a069ffb9e64c3d8211187808d90790ca560693cfdb55bb8578b2459a
PDF
Publication page777a43da05322a06a53c4b13e8575fdad3802965b39f9b27518383cea0bd61f4
Manifest1d494b4e381f2a1ba61015a32b034daf6acd2f441e8f888598e6b5681ebde7ff

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
SignatureyKgBTM6SLEsyh4h5ocLCqA3ActcOAMqaS9gOXc+qijwIb+H+l7WN2LKcqD5VqxLE4hZoL9UjHbgpi/qf3LziAw==
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

2026-09-17T12:12:48.433848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011958
observed 777a43da05322a06a53c4b13e8575fda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:48.414036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011958/manifest.json
observed 1d494b4e381f2a1ba61015a32b034daf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:48.392893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011958/publication.md
observed 28a06a60a069ffb9e64c3d8211187808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:48.371451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011958/publication.txt
observed 6da173663e9f259842e1b94dfee5a4a7...
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.