OpenTechnical

OT-2026-000039198

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000039198) never changes.

Identity and time

Publication numberOT-2026-000039198 · never reused
Internal UUID01a0ae78-9673-7eb0-8bf7-29031bac347c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039198
StatusPUBLIC

Content hashes

Canonical text571ac3b3fa26f84bd92893291a7cac0a24ba692a697789315b1cbe203424956a
Markdown2ae8314a97186358e4c3d25eab944b4e164e8e9d59f1540efeae6de0f0d40236
PDF
Publication pagefe1138d69dc1dd39557ffc78217eab91172ade5a87b7bd983877332845a096a9
Manifest5288cb1040463f1a4e18f648ecea2582ebfba70e69d0f75e038cae33f91e0bc8

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
Signature9RsadO1wbFPuRez81mO9YUSfphTlPd5VEbW2ZYx+N6TIeakgf+sARxVWu058DMes/C7EjTZwJpCAMwpXbCQ8Dg==
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

2026-09-17T11:20:41.960695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039198
observed fe1138d69dc1dd39557ffc78217eab91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:41.943574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039198/manifest.json
observed 5288cb1040463f1a4e18f648ecea2582...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:41.925675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039198/publication.md
observed 2ae8314a97186358e4c3d25eab944b4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:41.907969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039198/publication.txt
observed 571ac3b3fa26f84bd92893291a7cac0a...
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.