OpenTechnical

OT-2026-000038389

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000038389) never changes.

Identity and time

Publication numberOT-2026-000038389 · never reused
Internal UUID01a0ae78-2d52-78b1-9b25-e94399ee0376 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038389
StatusPUBLIC

Content hashes

Canonical textdca3b09d3211250eb212cf38948715ed9367157ad16944be54baa8f83a8cc598
Markdowndcca9eab714e75ed4053d57bc6f0bf0946f529f1c17fff588726b28d3548aeee
PDF
Publication page781eac5ec02ef130b6d06ca3469da6bc4164c59ecce64f79896cdc9a4391c816
Manifest546d5394537253ed7dbb1ccb661527ed8f9e4240312f9445ff014f84b839f7a2

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
SignatureYZK2jddeDr1y8Q9HIw2lHREtJb+gS5SRhfnYN5vPPPqcsYhqQNN3TPaCdw0m7CPUdw1ZlEqY2Ve7YTwPuwEYBg==
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

2026-09-17T11:22:35.527868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038389
observed 781eac5ec02ef130b6d06ca3469da6bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:35.511010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038389/manifest.json
observed 546d5394537253ed7dbb1ccb661527ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:35.492150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038389/publication.md
observed dcca9eab714e75ed4053d57bc6f0bf09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:35.474139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038389/publication.txt
observed dca3b09d3211250eb212cf38948715ed...
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.