OpenTechnical

OT-2026-000091005

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000091005) never changes.

Identity and time

Publication numberOT-2026-000091005 · never reused
Internal UUID01a0ae9c-c011-722b-b486-41c4183c95fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091005
StatusPUBLIC

Content hashes

Canonical textf65ca8e606da06fc79329031c509795f4c8ae407d358750ebcb9208b4aa5ffc1
Markdown6c26fb4f0774450f001cac74066fd86dd97ab7f10998cbf3c85df24e449fbea2
PDF
Publication page20aa1d19f829d83c731bf3b069a034daf5694fdf51ed17dbe788b5123ad9ff18
Manifest3f23f7602610abb3c8722964fef0f6f7dfb367de296a008a8c2da21254cc24f4

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
SignatureKRkhtnnYPtdjpE3oPMAMX/pBwVHiJUQbdD+XJC85bFQTIHgilNZG46hv0NCB9EIacWMAUJT4ytSaz0QxtVokBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:44:14.353879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091005
observed 20aa1d19f829d83c731bf3b069a034da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:14.336305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091005/manifest.json
observed 3f23f7602610abb3c8722964fef0f6f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:14.318479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091005/publication.md
observed 6c26fb4f0774450f001cac74066fd86d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:14.299927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091005/publication.txt
observed f65ca8e606da06fc79329031c509795f...
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.