OpenTechnical

OT-2026-000005045

Publication integrity record

Vacuum cup gripper, two outlet manifold, plant vacuum 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-2026-000005045) never changes.

Identity and time

Publication numberOT-2026-000005045 · never reused
Internal UUID01a0a92c-177e-727d-8e9c-f0f5002e3dda · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:43:54.241405Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005045
StatusPUBLIC

Content hashes

Canonical texta477b9354ad15ef8836324ca841da9de80ac6bcd8bd373c6c68e734aea920ed0
Markdown6f720d93a89551c615926309d72756c9d99cac05ecec3028a5a1f3287979ad8c
PDF
Publication page3d2b1eb2bc3211573fa03c24e45e2a35d3c5acb1afaccd21ed777d48680552af
Manifest2e98cd97fd858666f323057d3b8e31f333357aa77f4fb0eef76c6a03b81cd85a

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
SignatureR4KCBBnGw6dfTsDIBsw6mh/B3w0MbmM07k3PwIdKgzWV0grLJiICnU3w4A5bOJ6YpAnKSAvndCAsdoiJMCh1BA==
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

2026-09-16T07:50:21.463153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005045
observed 3d2b1eb2bc3211573fa03c24e45e2a35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:21.450469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005045/manifest.json
observed 2e98cd97fd858666f323057d3b8e31f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:21.436674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005045/publication.md
observed 6f720d93a89551c615926309d72756c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:21.423143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005045/publication.txt
observed a477b9354ad15ef8836324ca841da9de...
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.