OpenTechnical

OT-2026-000009181

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three 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-2026-000009181) never changes.

Identity and time

Publication numberOT-2026-000009181 · never reused
Internal UUID01a0ae6b-31b9-7a82-b9cc-ff142efa4da0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009181
StatusPUBLIC

Content hashes

Canonical text382b95900e26184dcfd680a85d85cfe2ae447cc704036ec0dac4eb2fb96dd35e
Markdown09255feccc73bf743b07bbb352a9e775d5a19b9d906227c6aefe1bda0af3c2d9
PDF
Publication page9b867240fbffd3e4494445ee5a5ce1fb7b418e7ca549c6814ab952dcf7040898
Manifest09326a19a27a2807627f8c724df16849865d1f9467b8517a85773fccf09c25cc

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
SignatureTGhnwVKZo/eHhnDbx7D+48kIqy4BtdSA2BbsE691SiGxgk/BwoOm1C7/uONtXNnbrlJFyZgkB21VW/awYuOpBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:53.537173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009181
observed 9b867240fbffd3e4494445ee5a5ce1fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:53.516806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009181/manifest.json
observed 09326a19a27a2807627f8c724df16849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:53.494399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009181/publication.md
observed 09255feccc73bf743b07bbb352a9e775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:53.474658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009181/publication.txt
observed 382b95900e26184dcfd680a85d85cfe2...
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.