OpenTechnical

OT-2026-000006408

Publication integrity record

Porous face vacuum gripper, ejector fed, pressure verified at each zone, vented after 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-2026-000006408) never changes.

Identity and time

Publication numberOT-2026-000006408 · never reused
Internal UUID01a0a95a-35c3-7622-9bf8-b82c7ef775da · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:34:16.646329Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006408
StatusPUBLIC

Content hashes

Canonical text3a21d8135a959273afb66464238572922904139c5fca2c29340cc7a4e76821c9
Markdownee2c7960d52702d6d14cc7e197cda148e5c9da6b257c568ae452846d2df90005
PDF
Publication pagefd768cd5c9594599f8744b3e7539b2c4f0c3cdcf9639b31dd3c38af6406b9cfb
Manifestedcf8b210f85b1bce12598ba722a537988e11e60692d46980c47709f2a9bde50

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
Signature8x5C37w6vyrWDfFVNXUgHRj9dhVgU70A6fDx1FmYJVnWXs7Y37EEUnIkXlBdcdgsm23mt+EP8cwoIEG2YBYVCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:20.949700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006408
observed fd768cd5c9594599f8744b3e7539b2c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:20.937221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006408/manifest.json
observed edcf8b210f85b1bce12598ba722a5379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:20.923893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006408/publication.md
observed ee2c7960d52702d6d14cc7e197cda148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:20.911541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006408/publication.txt
observed 3a21d8135a959273afb6646423857292...
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.