OpenTechnical

OT-2026-000022168

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000022168) never changes.

Identity and time

Publication numberOT-2026-000022168 · never reused
Internal UUID01a0ae6f-f4fc-7641-80eb-3cc143fd5b4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022168
StatusPUBLIC

Content hashes

Canonical text2295269c67f26ba357dbc8b8d9b0646b6568f77c4e652fd62ac33695dc92c123
Markdown0fe097302ed7e171a174d484553d9ca0e1224365b03ac99ba063c43550a6736c
PDF
Publication pagecd5e340a5ba845636c25b710ad4e18e6ab85ee9be734353c3d92a1eb9af8977d
Manifestde308e9fa524ad0d58d435446628c45ae599b4efcc7bf137c164059e511209c0

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
SignatureCaW/r8IsIh+ozCh5ovUp+mp/YZIbpXnMGAOns/fRPfuL++cht+oXjV08XgT1mPxOVDL1a8k1U1bbl6bBUNpKAQ==
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

2026-09-17T11:52:50.931277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022168
observed cd5e340a5ba845636c25b710ad4e18e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:50.910525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022168/manifest.json
observed de308e9fa524ad0d58d435446628c45a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:50.894243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022168/publication.md
observed 0fe097302ed7e171a174d484553d9ca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:50.877614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022168/publication.txt
observed 2295269c67f26ba357dbc8b8d9b0646b...
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.