OpenTechnical

OT-2026-000033853

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000033853) never changes.

Identity and time

Publication numberOT-2026-000033853 · never reused
Internal UUID01a0ae75-a391-71a7-b534-6d2446a2be3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033853
StatusPUBLIC

Content hashes

Canonical texte80697ed64844eb333602a4d8852c79fb89187b5147fb7d650f50f28dd9af0a7
Markdown0b69f90b14ca5b61ac9503dba7cb06513e30219d8075d2fd9b87f7b74cb9396b
PDF
Publication page2214fcf09f284774972861d0094dc2937f803edfb439a801ea8fdc3b78d9aafa
Manifestc7ef93cfb91e3f1d56456cc822c5b84601a3cbeade64ec32200b2a0a727db935

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
SignaturelLO+7m4G+jFfqCZFXcyhKzpymW3dPKJUM7wP4ZLAMMBiIKAgUh3L/BzHUoSCOBEmRghQXsirUcsfY3lcWXszBQ==
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

2026-09-17T11:31:54.757779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033853
observed 2214fcf09f284774972861d0094dc293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:54.741769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033853/manifest.json
observed c7ef93cfb91e3f1d56456cc822c5b846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:54.723339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033853/publication.md
observed 0b69f90b14ca5b61ac9503dba7cb0651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:54.703904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033853/publication.txt
observed e80697ed64844eb333602a4d8852c79f...
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.