OpenTechnical

OT-2026-000007116

Publication integrity record

Vacuum cup gripper, two zone face, ejector fed, pressure verified at each zone, 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-2026-000007116) never changes.

Identity and time

Publication numberOT-2026-000007116 · never reused
Internal UUID01a0a973-41e9-7685-a202-31f9901e6f01 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:01:38.156408Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007116
StatusPUBLIC

Content hashes

Canonical textf358ce997034ffdcb66fe0b0475821703e4f5d2c763ac0fd136e23ffa64326b0
Markdown9b0b26047f993f7897700442518158ed259500905c0b48c72c9e71a8fea64524
PDF
Publication page1802d89d31124bcf9a5ca4374699337bbce4857f97086f80acd5659d5355a0d8
Manifest1354d2ae2609e62e01eca2d5fe320eb09325aeb8adde760f2d7a1c8541e6fdab

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
SignatureSUffT/OKb4gKePNCsz8wYRX/k5e429v4hnP791C9AyN72sagadj24V2GyqCNxKtRw2Rk3SbPX0DrFRCqj1L/Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:25.246459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007116
observed 1802d89d31124bcf9a5ca4374699337b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:25.233952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007116/manifest.json
observed 1354d2ae2609e62e01eca2d5fe320eb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:25.221448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007116/publication.md
observed 9b0b26047f993f7897700442518158ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:25.207087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007116/publication.txt
observed f358ce997034ffdcb66fe0b047582170...
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.