OpenTechnical

OT-2026-000030098

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000030098) never changes.

Identity and time

Publication numberOT-2026-000030098 · never reused
Internal UUID01a0ae73-ac4a-7f95-a7e7-4965bdb7925c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030098
StatusPUBLIC

Content hashes

Canonical text382de4d2e772856198057eba3129a3aa5dad2363184d9c5ff707b64eb46ae61e
Markdown9b41834c6202529f658c06a9221f641c66afdf0f48d767b6ef622e28b42003b7
PDF
Publication pagec09125e0a54a5804e72a6ee5368c6daee233e299f64a83df6ef97f39ffc145bc
Manifest48f69c767c981b63b9a5cb6c6ba77f08c0dba3ccc946b73bfbcc4f42fd9ba140

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
SignaturegQpUpKvqTKn6tTq5/uCfC+XV4NT84i/YjKFwtpuOgTXaNtnu23YvCwQD23mY7WRJ8iZn8OIpoQtYd9Y0OgMrAQ==
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

2026-09-17T11:38:51.033634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030098
observed c09125e0a54a5804e72a6ee5368c6dae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:51.017588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030098/manifest.json
observed 48f69c767c981b63b9a5cb6c6ba77f08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:51.000048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030098/publication.md
observed 9b41834c6202529f658c06a9221f641c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:50.982385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030098/publication.txt
observed 382de4d2e772856198057eba3129a3aa...
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.