OpenTechnical

OT-2026-000011130

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, vented after 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-2026-000011130) never changes.

Identity and time

Publication numberOT-2026-000011130 · never reused
Internal UUID01a0ae6c-540f-7d38-a38d-685acbd9b1f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011130
StatusPUBLIC

Content hashes

Canonical textdf67345c2e8668040e96fc6295de176932c3a432c0daec8bb800286d041df5fc
Markdown20e5a9caccb20a3e19dd44bdb25d12ebed7b83ce94fdbb44ef905539343dc4c2
PDF
Publication page570f0e2c9c0abd5c4d47d881399040c8ebad756af0e2597900afda9424240024
Manifest68ec8354190fad61c6b67b776e7d968cfcccfbca36f83c0575354401fde000e4

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
SignatureJYpxECWnV5xsfdyloIFB4X4JGujv6n1m83f3HWXESaZhDlb6O/e7J+IxawHNQVHfWf8WBbo5OIx8/eF4Keh2DA==
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

2026-09-17T12:13:59.150105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011130
observed 570f0e2c9c0abd5c4d47d881399040c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:59.130725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011130/manifest.json
observed 68ec8354190fad61c6b67b776e7d968c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:59.111905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011130/publication.md
observed 20e5a9caccb20a3e19dd44bdb25d12eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:59.091820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011130/publication.txt
observed df67345c2e8668040e96fc6295de1769...
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.