OpenTechnical

OT-2026-000072599

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line 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-2026-000072599) never changes.

Identity and time

Publication numberOT-2026-000072599 · never reused
Internal UUID01a0ae92-89d9-7478-b874-976c7120ae99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072599
StatusPUBLIC

Content hashes

Canonical text606c21f0b6586d1533e8c2268630f250d6975d41db43d971f1f7349b2b916984
Markdown5f2cc8f54db7084cc6a64df56168a36411b849ebea1694126718659ac5cc6635
PDF
Publication page368c339d163b35151d79024faa0b257ba955d2a5e8ce76b5149861a7e4ae5ec4
Manifest59e3e69a0345bed5ae7b1c15f2b75870029239d489223f4efdb9b0967de3c88e

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
SignatureJj0cQCa3v3Yyd2r4cYGopwzYOmbADQgH6YhJH/3uKMINqqduv5Sxmw0Ix/uBiM9OvbhhKOZU5Oi21EOPiza6Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:26.714065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072599
observed 368c339d163b35151d79024faa0b257b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:26.695574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072599/manifest.json
observed 59e3e69a0345bed5ae7b1c15f2b75870...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:26.678386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072599/publication.md
observed 5f2cc8f54db7084cc6a64df56168a364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:26.659474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072599/publication.txt
observed 606c21f0b6586d1533e8c2268630f250...
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.