OpenTechnical

OT-2026-000103355

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, pulsed blow-off after 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-2026-000103355) never changes.

Identity and time

Publication numberOT-2026-000103355 · never reused
Internal UUID01a0aea4-e45f-733f-af3a-13ce5f5132f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103355
StatusPUBLIC

Content hashes

Canonical text4439445ee7dfe1692b59d86dccae21ebe6a86fa9854c563c38d496a42f39fd0b
Markdown4e043e9953adf834ce3c1d4edb7ecd49acda4e1e74ceddf8da0ee53e75e6d581
PDF
Publication page3d8d377cc13931a417f7afa7965fe4be5227e6171e7e0195a2f7e866887b73be
Manifestb5c728a965c976494ec271f7cf2c767606369fbacfe53d02757b386aa351ccfc

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
SignaturerPsErQ73gZCtimN33xSnqKcCvK7llZuW7s/+xgx6Zp7TADK68T3+ICkqa4ydv+kamZhnvMTgmM1SwY4iceu0DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:05.265115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103355
observed 3d8d377cc13931a417f7afa7965fe4be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:05.249393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103355/manifest.json
observed b5c728a965c976494ec271f7cf2c7676...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:05.232024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103355/publication.md
observed 4e043e9953adf834ce3c1d4edb7ecd49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:05.213402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103355/publication.txt
observed 4439445ee7dfe1692b59d86dccae21eb...
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.