OpenTechnical

OT-2026-000007309

Publication integrity record

Vacuum cup gripper, per zone isolation, two outlet manifold, plant vacuum fed, 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-2026-000007309) never changes.

Identity and time

Publication numberOT-2026-000007309 · never reused
Internal UUID01a0a97a-29c8-7651-bd63-6598b184db23 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:09:10.731360Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007309
StatusPUBLIC

Content hashes

Canonical text63f796017c411792116454862f65869821881ab2c9f4fe3d79bc2f8f2bf1453c
Markdownd77479c2c08cc605325045547f0828854c8b45882adcf21c48aba27ee8e06133
PDF
Publication page61066fee7f11b9bdc0c512cb3749bf75bd48bbedbe62528200fef53edd54ce3c
Manifestcd647927208c89fb1bea5caac913556c5a09cd2cb9a501629db6e25a1c87afa9

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
Signature/IBGvXGZlEE+jlf48CuvUaHgk4slLr6s/IE20ENWC6B77LXK0V4JXwo4WgJX918YhMq12G2zqJF1RVKP5oYFCg==
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

2026-09-16T09:10:05.261877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007309
observed 61066fee7f11b9bdc0c512cb3749bf75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:05.247037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007309/manifest.json
observed cd647927208c89fb1bea5caac913556c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:05.233619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007309/publication.md
observed d77479c2c08cc605325045547f082885...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:05.218510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007309/publication.txt
observed 63f796017c411792116454862f658698...
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.