OpenTechnical

OT-2026-000077233

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000077233) never changes.

Identity and time

Publication numberOT-2026-000077233 · never reused
Internal UUID01a0ae94-f508-77ad-bdd1-6a13689754b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077233
StatusPUBLIC

Content hashes

Canonical text177322d8545bf874b732807af8a80879dbc80aac7f3cca0cb318d98b830f6ed6
Markdown12a9212ed72999a71faa6108c42275061c84e5d7e91855907e136f1dfe3d163d
PDF
Publication page374d40592f90dad719a2bdb04a9cd83acbe3f9e5e47c48a134f77276bcb16840
Manifestcd72acb63e9fe87c732e8f8687ebde4bd52073dbf231eaeb864a698b884501db

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
Signature45UgRL8ENgROBnb6OnPTwyJt0YccuYAseizkoQD7iB7zq7SabV6hAIF15+fpE1weVmDxKe9SvL/yYIYzHe2LCg==
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

2026-09-17T10:08:50.695126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077233
observed 374d40592f90dad719a2bdb04a9cd83a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:50.677354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077233/manifest.json
observed cd72acb63e9fe87c732e8f8687ebde4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:50.658423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077233/publication.md
observed 12a9212ed72999a71faa6108c4227506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:50.637390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077233/publication.txt
observed 177322d8545bf874b732807af8a80879...
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.