OpenTechnical

OT-2026-000032156

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000032156) never changes.

Identity and time

Publication numberOT-2026-000032156 · never reused
Internal UUID01a0ae74-f7a5-7281-b483-42442c0c1fbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032156
StatusPUBLIC

Content hashes

Canonical text19bae447e525134fbe173ea995280b5f1bd7f6bb2b949ccc3311e10d8b87991d
Markdown71e6b104b053123094cd6090f87b35516661db73b78d7b6f6a2960e1d741e201
PDF
Publication pagead4d4df1efee908489e7f3b556bb4c684196224d688219d3e859363530ab63cb
Manifestd099949ad5eae016c9084f8b06cf5c45319b1c4ddb5cf915b1ce48959503f2a2

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
Signaturef0gpH1M0qVvyWjP/fpKxBTsLTn9RWyCud8KuHJ3iUrk/gDhk7TXAHfJGfK08XoX2KgliK2wIQFa4qjd/dn0XDg==
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

2026-09-17T11:34:28.821449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032156
observed ad4d4df1efee908489e7f3b556bb4c68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.803299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032156/manifest.json
observed d099949ad5eae016c9084f8b06cf5c45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.785511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032156/publication.md
observed 71e6b104b053123094cd6090f87b3551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.765145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032156/publication.txt
observed 19bae447e525134fbe173ea995280b5f...
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.