OpenTechnical

OT-2026-000030647

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000030647) never changes.

Identity and time

Publication numberOT-2026-000030647 · never reused
Internal UUID01a0ae74-3fb3-7836-9d8a-81a3ab8290c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030647
StatusPUBLIC

Content hashes

Canonical textfc89e0a265327cd4d7f9fdd84db906b63658b14849c4fea13d977db426526bd1
Markdowncfb2d223d3fbed0c231fd921af8b5cc6e204f29ae589835daedfa22367595c76
PDF
Publication page8d889607e0ae8378174c92429a7a742da563adefc1300059a9c0f0ee4ad4a3e4
Manifestd9e518491b92bf1d0793ed812eeca2c8eec4c6fc5682be425fd97e481420751d

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
SignaturezfSXfjOHhL1ACXKx8EyTaE/xkhpPoHNid3+p4O2nymuTzsStM2ksDtNjrIcVtx5Vhplc2B6w4XTDr6bfmBR1DA==
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

2026-09-17T11:36:31.630032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030647
observed 8d889607e0ae8378174c92429a7a742d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:31.612169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030647/manifest.json
observed d9e518491b92bf1d0793ed812eeca2c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:31.584592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030647/publication.md
observed cfb2d223d3fbed0c231fd921af8b5cc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:31.557423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030647/publication.txt
observed fc89e0a265327cd4d7f9fdd84db906b6...
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.