OpenTechnical

OT-2026-000004033

Publication integrity record

Bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector

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-2026-000004033) never changes.

Identity and time

Publication numberOT-2026-000004033 · never reused
Internal UUID01a0a90c-ff6a-73b5-b19f-2af7e75ad4f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:09:56.461256Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004033
StatusPUBLIC

Content hashes

Canonical textb5ac939d230179e3c02800b9d1274650c538eba8ae0e7427b899a78bf1aca6ff
Markdown6d03d37ea8013bee25d65c9d6a97e8c0c9c95cc1e26966c62470a08924c942a1
PDF
Publication page1a839a6b6ea98c8ab0dfd8ed7786eec18442ce9654256eeb5a6dfd90fe619a7a
Manifest7071dff7c51cc12cab10ddfb900635ec3969f33f3f74c20e89f6ebb9b26135d8

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
SignatureF/xjGHctr0ARJW4V/L2hsYIM6F3QoC7EhveFaRXyTZlpKUTFFnzE4wVFw/hsDqx5yM4ly0HUM2j957V/RiK5Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:05.028552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004033
observed 1a839a6b6ea98c8ab0dfd8ed7786eec1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:05.015243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004033/manifest.json
observed 7071dff7c51cc12cab10ddfb900635ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:05ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004033/publication.md
observed 6d03d37ea8013bee25d65c9d6a97e8c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:04.986653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004033/publication.txt
observed b5ac939d230179e3c02800b9d1274650...
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.