OpenTechnical

OT-2026-000007406

Publication integrity record

Vacuum cup gripper, six outlet manifold, plant vacuum fed, contact triggered, silicone cups, flat form

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-2026-000007406) never changes.

Identity and time

Publication numberOT-2026-000007406 · never reused
Internal UUID01a0a97d-a628-7529-9c2e-a640dbfb7f73 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:12:59.179380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007406
StatusPUBLIC

Content hashes

Canonical text055b7452d03faa1f0cc886e464ac664be1917694f6651fbc9d72fc8b344a328a
Markdown10dcf0e542a750bc6578857faa05b07b89fad421a92734a2ae11a5065b307bf4
PDF
Publication page7d750baa706b18b304042726c04725139445f9bdb157fd20ae968fee9604dad1
Manifest54becdea053c9df87c9ab38959f3577120798902e1c5d9947c402813d96ec608

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
Signaturen446bXX8b7byZKtq9rsKVTlS2A2K9MxPkYNoN9349/Zb643bAx2ijKHw07I+IvD1aa98yYB5aWcG/PddlXaCBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:07.171929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007406
observed 7d750baa706b18b304042726c0472513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:07.157379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007406/manifest.json
observed 54becdea053c9df87c9ab38959f35771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:07.141733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007406/publication.md
observed 10dcf0e542a750bc6578857faa05b07b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:07.127006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007406/publication.txt
observed 055b7452d03faa1f0cc886e464ac664b...
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.