OpenTechnical

OT-2026-000044928

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000044928) never changes.

Identity and time

Publication numberOT-2026-000044928 · never reused
Internal UUID01a0ae7c-911c-7778-a1f9-a30ed45a9fb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044928
StatusPUBLIC

Content hashes

Canonical text4825af8e2cb8aa4c06fcda3ea3f61d46dc23aefae86b84dd8b5bb615dc9de244
Markdown867b6a5ef8b5ace185335334c510c22a8fdd8fe6a281866b35175a382f531179
PDF
Publication pagecaac1bce28e77fa9c5c966c13c23e5e7ed154cd4ca119ce157b8fbbcdfccdd54
Manifestf28aac703fd436c9b514495464fa9e1318edff2735111f3146058777c9c71564

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
Signaturehy9go619kUEiiJnvAGecsmEBIok++KbCS0GoMPAT7AtJi3sFnJDIxhIAyf5HFnTBdKP4zCxCAeW8D13i9zSyDA==
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

2026-09-17T11:11:36.127129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044928
observed caac1bce28e77fa9c5c966c13c23e5e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:36.109963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044928/manifest.json
observed f28aac703fd436c9b514495464fa9e13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:36.089033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044928/publication.md
observed 867b6a5ef8b5ace185335334c510c22a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:36.070009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044928/publication.txt
observed 4825af8e2cb8aa4c06fcda3ea3f61d46...
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.