OpenTechnical

OT-2026-000004813

Publication integrity record

Vacuum cup gripper, three zone face, three outlet manifold, two 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-2026-000004813) never changes.

Identity and time

Publication numberOT-2026-000004813 · never reused
Internal UUID01a0a924-2731-76c4-853e-6528c35b2cd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:35:13.972028Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004813
StatusPUBLIC

Content hashes

Canonical textaebd50ecb8fec6775b3c8fe9eea7bc66a0b9ab96f3064181185df6fb6507c733
Markdown48f42ac7011d517f24053909d41558d9c81414ab9e82b28a93821a10d012edd2
PDF
Publication pagebaa8911198d11789d1cfbb9d4c0394798c3b3df0891e4ccb51916b976c043d8d
Manifeste35bbd25944163358e67f4881ec11d196ec3c475c0e6d24e1a4959f8e733f0e2

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
SignatureCCiPGQ8qLJ/C/6lH0D4w4QZsnqGEq/5vb+CHCnOykm0HBH3l9RetPodI98aOexRkEzs/jSX0JsiwXqJ8gS3RCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:16.249743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004813
observed baa8911198d11789d1cfbb9d4c039479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:16.236128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004813/manifest.json
observed e35bbd25944163358e67f4881ec11d19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:16.221684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004813/publication.md
observed 48f42ac7011d517f24053909d41558d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:16.206752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004813/publication.txt
observed aebd50ecb8fec6775b3c8fe9eea7bc66...
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.