OpenTechnical

OT-2026-000050187

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000050187) never changes.

Identity and time

Publication numberOT-2026-000050187 · never reused
Internal UUID01a0ae82-5c45-7d3d-971c-60e603b788d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050187
StatusPUBLIC

Content hashes

Canonical textc0bd2a835887c7dcdc3b6288e2a39c0490f9bcdbcd82031b59b858cb155bf932
Markdown5d8535edb753499bff129348005b38f67fb0d161280253733ebc4ede67447fb7
PDF
Publication page55d2e192c27963d67b316331d05e11220c071a7f5d6059428e542e7ff1e51ea6
Manifest5130be14fc8044dad43df1bfa4a43ad03d035c2a3fff5b52474339721ee26152

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
SignatureJ5VnfZz2m2BhAdbcowbfN/HbPcSjQG2SrU1t6EtY/x748z5PUNg0zACZywdYd1fGBhx2nkdfhLzn9KcpyL5FAw==
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

2026-09-17T11:01:10.248045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050187
observed 55d2e192c27963d67b316331d05e1122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:10.230200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050187/manifest.json
observed 5130be14fc8044dad43df1bfa4a43ad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:10.214153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050187/publication.md
observed 5d8535edb753499bff129348005b38f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:10.196915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050187/publication.txt
observed c0bd2a835887c7dcdc3b6288e2a39c04...
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.