OpenTechnical

OT-2026-000076295

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000076295) never changes.

Identity and time

Publication numberOT-2026-000076295 · never reused
Internal UUID01a0ae94-6a70-75ad-8607-d9ebc6ffd2a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076295
StatusPUBLIC

Content hashes

Canonical textc521a1690b6c66a0698ab9274fafe9a201566565eb062816f2f00462c013b48e
Markdownd41f6ddb98bf50047e9a58365076b762331b59a30a1b35748a0693945097c070
PDF
Publication page2793fe94cf9ee932fdd06af5373f74a810935f06b1118a41314b26cac8f8fd92
Manifest77dc214c55e175a329de93398677e645ed64d0e67127a8e3c5a78cb9df38f5d1

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
SignatureftBWqYUxV/lWaheWxdH5FBGhQqcKHdzVm//oyieVFDHMwj3rqf9C92TEy3I10gzMiCQ4Jp6JMaeE5COYOedMAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:12:06.696408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076295
observed 2793fe94cf9ee932fdd06af5373f74a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:06.552528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076295/manifest.json
observed 77dc214c55e175a329de93398677e645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:06.530633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076295/publication.md
observed d41f6ddb98bf50047e9a58365076b762...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:06.510176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076295/publication.txt
observed c521a1690b6c66a0698ab9274fafe9a2...
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.