OpenTechnical

OT-2026-000005936

Publication integrity record

Vacuum cup gripper, common isolation valve, two outlet manifold, ejector fed, contact triggered, rubber cups

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-2026-000005936) never changes.

Identity and time

Publication numberOT-2026-000005936 · never reused
Internal UUID01a0a949-c1d5-7ba6-8919-87c159450284 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:16:18.392221Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005936
StatusPUBLIC

Content hashes

Canonical text63fa894e2c5b37a69436f28985d3ca174e712d55479ff49f6d2b369677ecbac2
Markdown03f262aa414f6d25e557f7009e7c1d60cdccf06bd16fcac5536e0cd22d062696
PDF
Publication page65dfe3c5b486d3a37280847dd90c403e54e9be38449080141d26307cce9a3018
Manifest60fddce47431c8881d31ffb5777b741e462c58d076fad89b04fb36d9a45018e7

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
SignatureCPrsItML0NgZ1ZnCnwPInq4Pkior9saCehf5SIxUajPs8/TL2xJZIrLICKqEBdOSQICD2hqoaGpduzfPWhL+Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:15.442856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005936
observed 65dfe3c5b486d3a37280847dd90c403e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:15.424053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005936/manifest.json
observed 60fddce47431c8881d31ffb5777b741e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:15.403474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005936/publication.md
observed 03f262aa414f6d25e557f7009e7c1d60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:15.387160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005936/publication.txt
observed 63fa894e2c5b37a69436f28985d3ca17...
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.