OpenTechnical

OT-2026-000099490

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000099490) never changes.

Identity and time

Publication numberOT-2026-000099490 · never reused
Internal UUID01a0aea2-c974-77e5-825c-49a2b90d089b · 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-2026-000099490
StatusPUBLIC

Content hashes

Canonical text4b7c28e0cb32003e4d3fdee90ca4cc10d8fb0f5b490f8a0f7b6c13dd2a1c1e94
Markdown2b00f46752ce1e421d9a5898f8168003e9d64407f9f0bb9b27d8a310df484b7a
PDF
Publication page5553ec234879333cf8d3c8279435a2d5dcfc594c72977cd9ee0b284e49877df2
Manifest5d4711e48e141ebf91742a1de21c47e8d4797aaee74cbdb59fb53f297fb5f6f0

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
Signature85Tk7MXM+U0K13XZmadhn1SmRHjbfJw2eiiqXq3MLpZvcX5hpX6GAq5r+Wk3HsrtKhwahWPXVGnfa1q9SCikDw==
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

2026-09-17T09:29:22.901814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099490
observed 5553ec234879333cf8d3c8279435a2d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:22.880889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099490/manifest.json
observed 5d4711e48e141ebf91742a1de21c47e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:22.860502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099490/publication.md
observed 2b00f46752ce1e421d9a5898f8168003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:22.842511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099490/publication.txt
observed 4b7c28e0cb32003e4d3fdee90ca4cc10...
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.