OpenTechnical

OT-2026-000049343

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000049343) never changes.

Identity and time

Publication numberOT-2026-000049343 · never reused
Internal UUID01a0ae81-1350-7cf7-9fc1-6eeea33955be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049343
StatusPUBLIC

Content hashes

Canonical textfd535390b0299656f4938ff93168c76dbc0daa87a3ffc88bace42461943640fb
Markdown030e7446b39d2e4336a402437306031e0c856a7ca19c409075f5a9e7ea1b37c0
PDF
Publication page91a7de66d273977a4f6e367479d117d0501aecafcf45fd3ce0d2934b8697f2f3
Manifest019e93563144836e1024b928772d72af8e3aaf52a01d13ae78d1461e6e300dd4

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
Signaturej46Xtcpjkji4OwA4O7b5epcs/sevwNekgpZLgMxpz6AGxdH/qzayFKxc4can1CL/LWsAUnRGkDW9WHcK+USxAg==
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

2026-09-17T11:04:13.523732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049343
observed 91a7de66d273977a4f6e367479d117d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.506539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049343/manifest.json
observed 019e93563144836e1024b928772d72af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.487211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049343/publication.md
observed 030e7446b39d2e4336a402437306031e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.467624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049343/publication.txt
observed fd535390b0299656f4938ff93168c76d...
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.