OpenTechnical

OT-2026-000073696

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000073696) never changes.

Identity and time

Publication numberOT-2026-000073696 · never reused
Internal UUID01a0ae93-2b8c-73cf-b282-f20e9581c264 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073696
StatusPUBLIC

Content hashes

Canonical text42119822ba6432041fc75e0efc3988ef74f7e2e1fb6ed231066dacb01528bd3d
Markdown406c5ee1c8d7f3106e0fb099508b6bbcb907229f174947be10354c83c69c9017
PDF
Publication page29ee4c09ce44eff93681641cea2423af724f09ea30944fcd382a6ca68ccb957b
Manifeste671b0fac2ff414f3118c89a95a5fb0ea4a8fbb3be628801db6a560202e3f081

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
SignatureDt05ShjWr086jpnYn7ayJANrtFBXojf8rfuY5uR9xSrX2ZNYmCxeiziFzP14WqRmhlUIe0qiJBcRC7WF+e0ACg==
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

2026-09-17T10:19:45.665354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073696
observed 29ee4c09ce44eff93681641cea2423af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:45.647012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073696/manifest.json
observed e671b0fac2ff414f3118c89a95a5fb0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:45.628994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073696/publication.md
observed 406c5ee1c8d7f3106e0fb099508b6bbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:45.611096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073696/publication.txt
observed 42119822ba6432041fc75e0efc3988ef...
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.