OpenTechnical

OT-2026-000047311

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000047311) never changes.

Identity and time

Publication numberOT-2026-000047311 · never reused
Internal UUID01a0ae7f-3e56-78d7-bd9a-acbb937986fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047311
StatusPUBLIC

Content hashes

Canonical texta9f755eb6f07142eca7779de9624c2e23aa7e212e5c3dfbe407454bd5463d8a7
Markdown9a7b9e7b8877d71dd8978a42888db505a71da34d4cefa1034ebe10a3f1ddf4d9
PDF
Publication pagea196e6d95cf8e80a3c4fbaf782796188e2c850e528dffd314635a2dcd92030b8
Manifest344d26538d19b7c43dd5c72e0c38fed4e29d440594abcfc07a19013b33f378de

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
SignatureCFFniWUkpRzCRoQxlUdpst6yWLhzZ/4HUn3MZ0rb1gsqqw2Hg4dcLti2ADZ7dkhmGmmFblO83l3tY1W5dzD6Ag==
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

2026-09-17T11:06:17.603698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047311
observed a196e6d95cf8e80a3c4fbaf782796188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:17.586105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047311/manifest.json
observed 344d26538d19b7c43dd5c72e0c38fed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:17.568158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047311/publication.md
observed 9a7b9e7b8877d71dd8978a42888db505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:17.548902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047311/publication.txt
observed a9f755eb6f07142eca7779de9624c2e2...
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.