OpenTechnical

OT-2026-000022423

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000022423) never changes.

Identity and time

Publication numberOT-2026-000022423 · never reused
Internal UUID01a0ae6f-f4fd-79df-a3d5-e87ff064b9cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022423
StatusPUBLIC

Content hashes

Canonical textbf8f91af4df474dc540dbc3068719046dd8cc2a7420d5a1bfc3211fce40e2a55
Markdown7dff0a71f4ed2f284591b3503ea72eb09070a5e5a1f95a4d6716725a668d08a4
PDF
Publication page8f30ca62caead17203d86355ab600548f2cf0b6c3f5c471a31e5a2a041302f89
Manifestdd821bf6c9021193d47242f56c42c961842236400efb329eda4ce22f73c4d3dd

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
SignaturehL4L27dcpylnh7fxKs70s1X9vV5ryysWmroTtl1jk4LolmncFmMLk76R3iPwKXINgyCpCSjW5TSKuOLy34PTDw==
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

2026-09-17T11:53:48.780115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022423
observed 8f30ca62caead17203d86355ab600548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:48.763063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022423/manifest.json
observed dd821bf6c9021193d47242f56c42c961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:48.746904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022423/publication.md
observed 7dff0a71f4ed2f284591b3503ea72eb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:48.728403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022423/publication.txt
observed bf8f91af4df474dc540dbc3068719046...
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.