OpenTechnical

OT-2026-000097115

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000097115) never changes.

Identity and time

Publication numberOT-2026-000097115 · never reused
Internal UUID01a0aea1-01c9-7492-81f7-d65875af4c63 · 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-2026-000097115
StatusPUBLIC

Content hashes

Canonical textb82475042cc0483f3a9706586081ab3eb0d3b3984f22cd0f9d79b9c6cbfabc26
Markdown88327d32b1db8e56d7aa41fa51239afb2aea6659831045cdbff5910d6865d09d
PDF
Publication pageafa3bc9b8f258b0feadddaf59a0e28733980ab05debc92f011a7ac8aefb902dc
Manifestd6fae3d3b92a7bb85ee9588616e70cb7c5e982f6798a0c7c64111a1446cff186

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
SignatureZoLC9IVIR6W8ws3oZxevxwIEEy0OP3WKC+rpq8NdUnMp3/ARiNYSOYaF/R4PUmlsVG13Fr45h+pIiIoIWz5mBg==
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

2026-09-17T09:10:51.399726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097115
observed afa3bc9b8f258b0feadddaf59a0e2873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:51.380864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097115/manifest.json
observed d6fae3d3b92a7bb85ee9588616e70cb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:51.363132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097115/publication.md
observed 88327d32b1db8e56d7aa41fa51239afb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:51.342109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097115/publication.txt
observed b82475042cc0483f3a9706586081ab3e...
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.