OpenTechnical

OT-2026-000099572

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000099572) never changes.

Identity and time

Publication numberOT-2026-000099572 · never reused
Internal UUID01a0aea2-c975-70eb-8c14-499352297cf7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099572
StatusPUBLIC

Content hashes

Canonical textca8c8761c71403b09d15fbb31e9df9fe56be8c947996b2b12b21bf9b74ee1655
Markdownf3fcf147c36511d4ad74a0d69acfb47813b6868ab5ff21e3d159a7fe9d247ff5
PDF
Publication page152ae8b17db2ef115c471e24f0d80c0c2b0416e7f43393c8b2d48962111b866b
Manifest5230eee938aa216b44bffa9f9cfa46865b813f2a2dd5db6a32fe8c2a6caab253

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
SignatureK55sV4eZy65Zp9qfLEO+Wkb0Iy4GiIqek7rr4BewMRkhzjhBa+UZj3fioy2+p6rBfQGxg7xQ8tQfF5M9GEiuDQ==
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

2026-09-17T09:29:29.355007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099572
observed 152ae8b17db2ef115c471e24f0d80c0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:29.336461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099572/manifest.json
observed 5230eee938aa216b44bffa9f9cfa4686...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:29.318094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099572/publication.md
observed f3fcf147c36511d4ad74a0d69acfb478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:29.299964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099572/publication.txt
observed ca8c8761c71403b09d15fbb31e9df9fe...
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.