OpenTechnical

OT-2026-000097219

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, sustained 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-2026-000097219) never changes.

Identity and time

Publication numberOT-2026-000097219 · never reused
Internal UUID01a0aea1-01ca-7da0-90ed-9691400d7cba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097219
StatusPUBLIC

Content hashes

Canonical text4a3f61badb85a0c4f09b31816aa5c93f0c59be56355c98b8ddcf5d56352bcb46
Markdown15d39b2152b5ccc794fc31d0a7bcc68a9c6f77dccc75a93995fb1fb8a428ab92
PDF
Publication pageaa1590703e687ff9cf193176eee815da89bcca14ef26d4c36524e9df92db9598
Manifest034890965dbcc22c14bd821c80c6eb6da757cc92bea96e6e5544cc693390a4c9

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
SignatureqgGWHI/oWprKvhk90A/ARl0R3kULZOtPJSN62IFuRUaZ4VwC+QlODOgRQlgu7XeTg3a/Wx8Ase1Ne9qYtr+JDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:27.888811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097219
observed aa1590703e687ff9cf193176eee815da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:27.873086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097219/manifest.json
observed 034890965dbcc22c14bd821c80c6eb6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:27.856106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097219/publication.md
observed 15d39b2152b5ccc794fc31d0a7bcc68a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:27.837888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097219/publication.txt
observed 4a3f61badb85a0c4f09b31816aa5c93f...
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.