OpenTechnical

OT-2026-000099174

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000099174) never changes.

Identity and time

Publication numberOT-2026-000099174 · never reused
Internal UUID01a0aea2-8288-721c-a4f0-c9df47ac798b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099174
StatusPUBLIC

Content hashes

Canonical text29748962b4b766ea55f74ab4904aeeb35468fb734bff26e01be057923472ae74
Markdown283cbe147d9d1c89b5c3b973dc369c602500d9c83522799fa1cc833d31b9f4ed
PDF
Publication pageb6935ccbf179fe8211ceb11b7394c2364cd9ba3afbe73a542013d6589f68336c
Manifest8f392baef8a2516fcd11b83a24b407521b23c35173fe00c0b7f5160a3c9e332a

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
SignaturexSXFE0B/kD21+0456T6bDLRNi/j/RGP4IQ1UNy2hCeJRlZOMA6yrTfvNYqQ4DxuxGFCyMyxsJNqnA/zMXwnHBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:33.490004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099174
observed b6935ccbf179fe8211ceb11b7394c236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.469607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099174/manifest.json
observed 8f392baef8a2516fcd11b83a24b40752...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.449237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099174/publication.md
observed 283cbe147d9d1c89b5c3b973dc369c60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:33.427310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099174/publication.txt
observed 29748962b4b766ea55f74ab4904aeeb3...
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.