OpenTechnical

OT-2026-000018345

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000018345) never changes.

Identity and time

Publication numberOT-2026-000018345 · never reused
Internal UUID01a0ae6e-b489-799e-864b-65a11f7b45cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018345
StatusPUBLIC

Content hashes

Canonical text34ecad147043ac2f6bb39e0d9d956fb8aa0604ad5fed415f5fa7997bcbc1498a
Markdownf5602ff30c56bbf99f6b326fc4e3bc4723a31da46293f991ee7dbad2ebbef403
PDF
Publication pagec1e9f5e7d8fddf294600cd83446aaf03b9ce95c5d83587f937079d3ae31f28ca
Manifested6d594aa88a342d0318ef3f0d1f401579b8bf0d628f57a5d250ce3c7bf5bac4

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
SignatureuV8qPEW9/PSVWHE4LjOzTdAn5aHPgsFuh7ak3n5xGvSW2MJxSdY1OotXVpE/opqErtFe+oN6fLVqkxApHTl2AA==
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

2026-09-17T12:01:04.896890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018345
observed c1e9f5e7d8fddf294600cd83446aaf03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:04.879480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018345/manifest.json
observed ed6d594aa88a342d0318ef3f0d1f4015...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:04.863225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018345/publication.md
observed f5602ff30c56bbf99f6b326fc4e3bc47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:04.845533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018345/publication.txt
observed 34ecad147043ac2f6bb39e0d9d956fb8...
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.