OpenTechnical

OT-2026-000030684

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, sustained blow-off before 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-2026-000030684) never changes.

Identity and time

Publication numberOT-2026-000030684 · never reused
Internal UUID01a0ae74-3fb3-7985-9f60-166b7bc482e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030684
StatusPUBLIC

Content hashes

Canonical text1e0f324df3229a1aa5b6fcfc767c61d88a8a321676565a20d40f671ffcf0c8c9
Markdown87e8630a13216c4c099d5f65487a2d2a6b77a1dd2c715fc45ae199897ee2fd3e
PDF
Publication page8ac1a706ec65ee023269a8cc09f6451d3da1a60567276190e5412a78741cdfa5
Manifest4dbb7175b0eb0a98e4f169193ef245fd9014334573c549200af3d43e47cd3c2d

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
SignaturemerBo/aLrKykWZVP20ZkUQUIJ3KkLHed5xnr6P2G0dTlzuyugj0F5MRU+eMrPJSWTRoLdkDX8ZkPvr2MV01XCw==
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

2026-09-17T11:36:34.807579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030684
observed 8ac1a706ec65ee023269a8cc09f6451d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:34.792718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030684/manifest.json
observed 4dbb7175b0eb0a98e4f169193ef245fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:34.776375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030684/publication.md
observed 87e8630a13216c4c099d5f65487a2d2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:34.759302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030684/publication.txt
observed 1e0f324df3229a1aa5b6fcfc767c61d8...
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.