OpenTechnical

OT-2026-000084379

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000084379) never changes.

Identity and time

Publication numberOT-2026-000084379 · never reused
Internal UUID01a0ae98-5b62-78a7-9d6f-95df1ea4b080 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084379
StatusPUBLIC

Content hashes

Canonical textd7840364ac49de2b2f456a4e4b163eb60a92ab04cdf239a988b3105963a38fca
Markdown197527646eb8f85308f4f5c277fd7375871863d8f35813ee334f019c015a37ab
PDF
Publication pagee9676f6059250d254e67cc98817555e6701b1c0d9d8abe88910c3adb543cc654
Manifest3c0cc905b4b8257e8e98a7be5765ccb26fdfb921e8a6e9ac5bc38f3e3c1ec39c

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
SignatureU9LjpM4GNsDgZso/aceO7qPvBk9fauAs9wBBZ2FKUGYIygduuLWM8NyEI4GUsEWol44YZhuACsqWdg9V5UrhDw==
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

2026-09-17T09:56:19.146538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084379
observed e9676f6059250d254e67cc98817555e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:19.128679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084379/manifest.json
observed 3c0cc905b4b8257e8e98a7be5765ccb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:19.111519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084379/publication.md
observed 197527646eb8f85308f4f5c277fd7375...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:19.093663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084379/publication.txt
observed d7840364ac49de2b2f456a4e4b163eb6...
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.