OpenTechnical

OT-2026-000022390

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before 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-2026-000022390) never changes.

Identity and time

Publication numberOT-2026-000022390 · never reused
Internal UUID01a0ae6f-f4fd-7eca-aced-4d2bd2ce9140 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022390
StatusPUBLIC

Content hashes

Canonical text1a36b43d8077d5c2458fad625ba75e00f06d23e7d3332bb1a9ae2e8c4856c360
Markdownd560433324a479d2a47b4246ef3ef43a3199cfa8791d25fe5c542457a95a9f81
PDF
Publication page654d99789c2790010cef60f94873571c92e765c9f53569164191042b13763ea0
Manifestc06055692fcc90962db73459d4fc6a69e467c3c45ec7246a1bbd4cea81a972c9

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
SignatureMH6kUcacrqgLgdKm8gAK+Ee3eWxqbYe4DAdZCw4vrl2NrIsCCgXk9cKj9rhlXZgmBp3n1Hq1L3qU8HFjq7HcAA==
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

2026-09-17T11:53:46.097406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022390
observed 654d99789c2790010cef60f94873571c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:46.080043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022390/manifest.json
observed c06055692fcc90962db73459d4fc6a69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:46.061207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022390/publication.md
observed d560433324a479d2a47b4246ef3ef43a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:46.043562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022390/publication.txt
observed 1a36b43d8077d5c2458fad625ba75e00...
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.