OpenTechnical

OT-2026-000017946

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum 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-2026-000017946) never changes.

Identity and time

Publication numberOT-2026-000017946 · never reused
Internal UUID01a0ae6e-96fc-7715-a812-0317f88a3585 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017946
StatusPUBLIC

Content hashes

Canonical text8b4c12da3bbf113e4cc1bba6fde723c64acde494e3b507840b997a2c21d08544
Markdownbba8785368b5185a188f74b46060aee769f82694deaf3b016dd06211ebbc911e
PDF
Publication page9e4a27993c8c15f5a8094897f94dd6cdccf78bf04094820225b44dfc02cb7474
Manifest4ce8620db83608f3f5ae222ceb029dad91b9e71802cff3482908e8b481c0447c

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
SignatureRZ7BnrE80vgaOSe2CoL65xlRp8YAXD8no2mrXCNBWlwo7bw7k8tgauUDXTtlx5q2UVWkd3lZyP27AdKobC3TBw==
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

2026-09-17T12:01:56.773250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017946
observed 9e4a27993c8c15f5a8094897f94dd6cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:56.755599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017946/manifest.json
observed 4ce8620db83608f3f5ae222ceb029dad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:56.739197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017946/publication.md
observed bba8785368b5185a188f74b46060aee7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:56.723559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017946/publication.txt
observed 8b4c12da3bbf113e4cc1bba6fde723c6...
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.