OpenTechnical

OT-2026-000045400

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, pulsed blow-off after set-down

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-2026-000045400) never changes.

Identity and time

Publication numberOT-2026-000045400 · never reused
Internal UUID01a0ae7c-f76c-7522-9a13-9570bd92bb11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045400
StatusPUBLIC

Content hashes

Canonical texte96bb07f041a2fce7fbace4441ad4d2880517d7b7e1533c805d5326e2a3a834f
Markdown8ae93eb47544eb5a0f46756842e152e4c6702b8e71b7d636392a5c35636d628b
PDF
Publication page51fdaf09f7324f812f911a0ace43ff73cdd7b7f9e32e05d93a01eb75656d1d74
Manifestb688a14d5af4371798e79268c8b2b654ec406c0178547aabea2ae958fb5184ca

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
Signature9dWZ/BgDd7aYRymx/ZVuHmqj9Yro/TDnKSBb3kgUhhHbGnnBWwylX4iIlIyXOAZKUlPNJqNffCTlc94A4U7aAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:41.211832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045400
observed 51fdaf09f7324f812f911a0ace43ff73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:41.193416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045400/manifest.json
observed b688a14d5af4371798e79268c8b2b654...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:41.175199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045400/publication.md
observed 8ae93eb47544eb5a0f46756842e152e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:41.158094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045400/publication.txt
observed e96bb07f041a2fce7fbace4441ad4d28...
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.