OpenTechnical

OT-2026-000085929

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000085929) never changes.

Identity and time

Publication numberOT-2026-000085929 · never reused
Internal UUID01a0ae99-e82a-775d-bcee-7cefa41ca0c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085929
StatusPUBLIC

Content hashes

Canonical text553d114820bc04d1ed5b24cff2312564912fbf0c9c639f7af8527d0963e036a4
Markdown3ae3f9016b62d23da9394d08ccb736cdedd9de067f9572471d54379843c37210
PDF
Publication page750edaf45a5efb0f1dd09ea5f4f3688e0cf95afd7099e6205ccad9b631cbf9a4
Manifest674d955d89adb5158f390a421a4325828c2d31467f419c1d6e3b703c32cc02d3

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
SignatureyeF3kOgYb7A7I/tWDuTo7DolLUFyDRJl6svJ6tKkWMV+rygcMGNDyyUJ+S56L8boDYL2xTOjbIZ65BwrPtUGCQ==
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

2026-09-17T09:52:52.852490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085929
observed 750edaf45a5efb0f1dd09ea5f4f3688e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:52.834170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085929/manifest.json
observed 674d955d89adb5158f390a421a432582...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:52.816142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085929/publication.md
observed 3ae3f9016b62d23da9394d08ccb736cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:52.799376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085929/publication.txt
observed 553d114820bc04d1ed5b24cff2312564...
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.