OpenTechnical

OT-2026-000030984

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000030984) never changes.

Identity and time

Publication numberOT-2026-000030984 · never reused
Internal UUID01a0ae74-3fb7-7b18-8d07-a82a60311eea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030984
StatusPUBLIC

Content hashes

Canonical texta70db3d7165490bd8fc682fb9c9168768fd045573ca8eca617bd677c23f152ed
Markdown9268ed8d5112ab1f0407330f749b5c9e4fb441bc2c2823cbdef9b2e2c2ba3245
PDF
Publication pagee3ba1fa34aa989dbd8f5be0a40fd7adddb8774975cb3081541afc3ff1ab2ec68
Manifest73960a6491747338ebc4ad2d67f469ac3e2c163617b4f658d2bbfb730bc94649

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
SignatureuxfrbXvKebzG/8xWb0oM1vYYIaqZ1FWYL7DJWfS/xGK6MkpTZ6U6Nj5OPswCrhtcY4SZlMdx3Dyd4XP9210nDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:59.718185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030984
observed e3ba1fa34aa989dbd8f5be0a40fd7add...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:59.696509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030984/manifest.json
observed 73960a6491747338ebc4ad2d67f469ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:59.679451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030984/publication.md
observed 9268ed8d5112ab1f0407330f749b5c9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:59.662518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030984/publication.txt
observed a70db3d7165490bd8fc682fb9c916876...
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.