OpenTechnical

OT-2026-000004466

Publication integrity record

Vacuum cup gripper, two zone face, per zone isolation, three stage ejector, pressure verified

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-2026-000004466) never changes.

Identity and time

Publication numberOT-2026-000004466 · never reused
Internal UUID01a0a918-f4d5-7b65-ab06-b2df867dff80 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:23:00.183883Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004466
StatusPUBLIC

Content hashes

Canonical textcb6ee40b752ea34702d391f2a26eae519019c8a57a175a5b97abc3bbecbbe726
Markdown7c8c789958ec68ae6e71953510a5ba67b9419e1eb6d3ac232772278727305e35
PDF
Publication pagee2e9f92fd932825404d80bd89da480238b54bb221e77999382ff84a57b1c6024
Manifestc3a0453baba161159d8b9231f5079f7f509f0a489ef3958b0d832d0de3e8ae99

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
SignatureYva1jWMLfaLNlTRkwE6YXV6iVPBa0Id3u5tqRnoBQXxwlsgc7eEHxrpo6+dF4GPnkzOgBhqgJRcd4tB/x/LYDg==
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

2026-09-16T07:30:24.466148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004466
observed e2e9f92fd932825404d80bd89da48023...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:24.454090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004466/manifest.json
observed c3a0453baba161159d8b9231f5079f7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:24.440535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004466/publication.md
observed 7c8c789958ec68ae6e71953510a5ba67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:24.428365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004466/publication.txt
observed cb6ee40b752ea34702d391f2a26eae51...
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.