OpenTechnical

OT-2026-000100124

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000100124) never changes.

Identity and time

Publication numberOT-2026-000100124 · never reused
Internal UUID01a0aea3-3052-79dd-969d-6a9bf1312753 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100124
StatusPUBLIC

Content hashes

Canonical text87456a247511a45660d10f24293285b3853a39d4b92c539ccd72d563cf34d113
Markdowna3db3a7e8d47d1d2b6c7df3fc953f54f9bb67e51dd1c6e3db15e91fc245f9dbe
PDF
Publication page9c08942012ba6f8df69bd806d2fba51255d07557bf2a03275baa8d42a6115656
Manifest49f05317603bfa26319f1e0806bc3af24bce4420f61f854e2321cbae48e92cc6

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
SignatureoGHYocLbK5lGKg8/eCqLxmuIRnW/ZLzZsTUjFxIrmj/NwVnXj/f6Hz1av0Qbw7Gkxri+r4Xizv2AFeghbdSdDQ==
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

2026-09-17T09:27:49.667942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100124
observed 9c08942012ba6f8df69bd806d2fba512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:49.649843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100124/manifest.json
observed 49f05317603bfa26319f1e0806bc3af2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:49.626133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100124/publication.md
observed a3db3a7e8d47d1d2b6c7df3fc953f54f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:49.604432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100124/publication.txt
observed 87456a247511a45660d10f24293285b3...
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.