OpenTechnical

OT-2026-000038734

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000038734) never changes.

Identity and time

Publication numberOT-2026-000038734 · never reused
Internal UUID01a0ae78-769e-7659-8140-4009093437d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038734
StatusPUBLIC

Content hashes

Canonical textdcb8f00fb8dfd5789680bc279fcda8a5f191366e1227947ed0a1a52816f765c0
Markdown334dfda3a53325f6ecdc842fc8c7b44e79db42e8008460695576c3ca950ccd42
PDF
Publication pagec6fe09042955d7b0a42b1077fba1ae17165a9eeb08318cdc87d430bcc4fe3c97
Manifest053f5b55bf8f8dc9ba23033354aa9f4fad5f261820752db8192bf0316c6a4ff2

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
Signatureb5NuVTlftjBBc3hJdxaFM/QaDBBnCht/pWH4ZTNaWN3BTBSXCbqTV3ImM+YXyfTkidw9zSTaE0jubHiI8NfCAA==
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

2026-09-17T11:21:15.874063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038734
observed c6fe09042955d7b0a42b1077fba1ae17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:15.854538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038734/manifest.json
observed 053f5b55bf8f8dc9ba23033354aa9f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:15.835858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038734/publication.md
observed 334dfda3a53325f6ecdc842fc8c7b44e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:15.816695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038734/publication.txt
observed dcb8f00fb8dfd5789680bc279fcda8a5...
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.