OpenTechnical

OT-2026-000018728

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000018728) never changes.

Identity and time

Publication numberOT-2026-000018728 · never reused
Internal UUID01a0ae6e-d520-7064-b825-d497d61f7ee6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018728
StatusPUBLIC

Content hashes

Canonical texta92b9991b6cebcdbe4dd8fc46fd017323c37dc63cb64a9907f2aaec66ee43a32
Markdown14f39fefb1b556c22480a157265f3e00f980917b4cbb4ae09f50254103a9b2f3
PDF
Publication pagedd3073c7ff72b295bf95ce00c91726cc940a69c66b4a0bae8458fb4d43aae1c2
Manifest437e4c36f75f023c3af0d491b6f9663020f43b824766b8677acca665955163df

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
SignatureYhRZSikTh0QC5cJ7aqEo2dgMXI/D2EVCQ4aVAb4+PsE6F45gHDji4p456EEPFnWRmz8Nr7s4jgg0DWlmU1YRAg==
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

2026-09-17T11:59:20.159781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018728
observed dd3073c7ff72b295bf95ce00c91726cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:20.140764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018728/manifest.json
observed 437e4c36f75f023c3af0d491b6f96630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:20.120636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018728/publication.md
observed 14f39fefb1b556c22480a157265f3e00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:20.101805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018728/publication.txt
observed a92b9991b6cebcdbe4dd8fc46fd01732...
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.