OpenTechnical

OT-2026-000029195

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000029195) never changes.

Identity and time

Publication numberOT-2026-000029195 · never reused
Internal UUID01a0ae73-2aa0-7193-bf82-d65659970785 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029195
StatusPUBLIC

Content hashes

Canonical text27469f90f03f070fe9dbe938182cda05836a31406a8717e60513f3bbcd179442
Markdowna3e61e4c45e9a9f0618dcab1e58ad8282d2d923570bd1822298d9e107181b7d4
PDF
Publication page0d9f80a5107de0b6492a59560b651d1d7a02ad58dfb48662a7b6ef370e199b0f
Manifest4824fcff10e61eaa6f1e80b58f82a792e74af764916fd4a47f1e57bf862920cf

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
Signature9CnvWmuTjEZHEvRKlmSt1hTHFKqq9I97SEksdiXUpZg2Yw6Q9YLfYJEoJWWzYzBxG+ZVyJqz5+VCn4ppiVe/Ag==
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

2026-09-17T11:39:48.358313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029195
observed 0d9f80a5107de0b6492a59560b651d1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:48.339006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029195/manifest.json
observed 4824fcff10e61eaa6f1e80b58f82a792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:48.318694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029195/publication.md
observed a3e61e4c45e9a9f0618dcab1e58ad828...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:48.300386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029195/publication.txt
observed 27469f90f03f070fe9dbe938182cda05...
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.