OpenTechnical

OT-2026-000017258

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000017258) never changes.

Identity and time

Publication numberOT-2026-000017258 · never reused
Internal UUID01a0ae6e-76c8-7e50-abd8-4e03c9edfe06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017258
StatusPUBLIC

Content hashes

Canonical textf1de638896006cf0a58b3bb66cd6872086c2bffc1440ee8ac8967caa0b746a05
Markdown78196e2c2fd0b6757cb84f5380fbe3ac202b267536b26f0a7ffc341658ff1fb9
PDF
Publication pagefd4e50559ee509b9900aeed105d38222a57a6850e931e6527b5c9876a8edaf29
Manifeste9e5c203f7a46466a780934a4833607fef8325868adf220f92525e66b42986a6

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
SignatureyWCg5TfMQTAah4b8erpcaQiD+wtv6sry5xsvMrwXz9NYo2V6I7zeSiYpbHQeGhaL9FPAjYoYIsMhIwYq1meqCQ==
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

2026-09-17T12:02:20.859799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017258
observed fd4e50559ee509b9900aeed105d38222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:20.843292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017258/manifest.json
observed e9e5c203f7a46466a780934a4833607f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:20.826862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017258/publication.md
observed 78196e2c2fd0b6757cb84f5380fbe3ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:20.808506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017258/publication.txt
observed f1de638896006cf0a58b3bb66cd68720...
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.