OpenTechnical

OT-2026-000022430

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000022430) never changes.

Identity and time

Publication numberOT-2026-000022430 · never reused
Internal UUID01a0ae6f-f4fd-7469-aeec-51c05ad3569a · 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-2026-000022430
StatusPUBLIC

Content hashes

Canonical text26a546903181a6ff05ffda5f93595328d5ec5de23252de5856b728d6c3155a7f
Markdown797f72d96e9965cb8f424558f221af2bfb5f5137da48c4f2db596c1200b323c2
PDF
Publication page302419bedb911fdfffca30c42d4334582f6a6c67e949b0189eacc18bbcc97eae
Manifestdebc1b825ad83ddba266b8ce31ade11c0d3bb0b1eebd6c037d2e4758ce75899c

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
SignaturencEkmyclGOwMHkyeHJg9NzsJJPiYghwipQvv05cIG3VEczpgYgoRz7xkJuwIAGXQq4NT15HjtIIQa0b7Gj6BBw==
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

2026-09-17T11:53:49.280737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022430
observed 302419bedb911fdfffca30c42d433458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:49.262693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022430/manifest.json
observed debc1b825ad83ddba266b8ce31ade11c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:49.244279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022430/publication.md
observed 797f72d96e9965cb8f424558f221af2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:49.226596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022430/publication.txt
observed 26a546903181a6ff05ffda5f93595328...
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.