OpenTechnical

OT-2026-000080441

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000080441) never changes.

Identity and time

Publication numberOT-2026-000080441 · never reused
Internal UUID01a0ae96-7e78-70af-9f4c-4ad5df2d3ce3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080441
StatusPUBLIC

Content hashes

Canonical textac4159310a7888c806b2df67034f2dbc5b8ade19d070c74ed8e38c098108c2ca
Markdown6731584122d1e48ad1a149d659538e5385c84c991d97418ec5aabda32299fbef
PDF
Publication page2d57ca358da1aa40b3b579d49e4556062d17a597aa06a3f502fb0b46e7beeebd
Manifest3b10ebd0bfba176a708b0b22157a14669b9e959915e037442276b37274d22819

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
SignatureR95SbpmseC+xncDt2LF8FftkbtbOqV+BO9URHrdhKdVHjcUM6dH3iCY0xuciOthgoVhg/3butVLkF6dC1PgnAg==
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

2026-09-17T10:02:57.296210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080441
observed 2d57ca358da1aa40b3b579d49e455606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:57.277444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080441/manifest.json
observed 3b10ebd0bfba176a708b0b22157a1466...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:57.258792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080441/publication.md
observed 6731584122d1e48ad1a149d659538e53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:57.240272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080441/publication.txt
observed ac4159310a7888c806b2df67034f2dbc...
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.