OpenTechnical

OT-2026-000005208

Publication integrity record

Bellows cup vacuum gripper, three zone face, ejector fed, sustained blow off before 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-2026-000005208) never changes.

Identity and time

Publication numberOT-2026-000005208 · never reused
Internal UUID01a0a931-53e6-758b-8ebd-d35007405095 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:49:37.385836Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005208
StatusPUBLIC

Content hashes

Canonical text5356cba0bae33b297640a4c9429762820b75e95ea064f78a421f6675fea27c64
Markdown5c501c3b49757a7962781a773c2bf14e9beea6806f41b0c3e4048c57c1656875
PDF
Publication page991d17bcde591966c40d91539b0d7e67805b71d7c84c272edaa815e4f2773c0b
Manifest38bf01845bcb3213d77ef2aa9a2c203c150266aef8fc004c73c2b7607aac0aab

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
Signature9bzEboiur92gcGlq4iq/R0/CQu6Doh/A9Fx8MyuFXfYE3N1Goo0WIGdWorXNj9LSm211RZ8hCBasAPEAw2owDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T07:50:03.654857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005208
observed 991d17bcde591966c40d91539b0d7e67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:03.644007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005208/manifest.json
observed 38bf01845bcb3213d77ef2aa9a2c203c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:03.629961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005208/publication.md
observed 5c501c3b49757a7962781a773c2bf14e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:03.495531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005208/publication.txt
observed 5356cba0bae33b297640a4c942976282...
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.