OpenTechnical

OT-2026-000030655

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000030655) never changes.

Identity and time

Publication numberOT-2026-000030655 · never reused
Internal UUID01a0ae74-3fb3-7404-ad8f-bfb9de14df90 · 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-2026-000030655
StatusPUBLIC

Content hashes

Canonical text1e6f013f93ef65036ba218dabfe054e613d8c921f1d2ab0a75629fc6015af8bc
Markdownb02d5678579ae0bad89bdb0e506542ccd1d3ad13b020516e26fd5917f7caf39f
PDF
Publication page0f1170dcbfa02c96ac77a9033a13da5e8c4e00d8ed6324b1634d005b805411b3
Manifest071b20d9f647516e6db9672e61433795eaa5ad87c821a650f3fed855de00fcc0

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
SignatureE8nk90cIWoXbXqPiyUzO7QxPUj5525tTLhpMNfVGfQVLFyjW51S0A8CczqzO7sJneLp7MWMihxBH6HbHA7C7Bg==
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

2026-09-17T11:36:31.929851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030655
observed 0f1170dcbfa02c96ac77a9033a13da5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:31.907466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030655/manifest.json
observed 071b20d9f647516e6db9672e61433795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:31.888515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030655/publication.md
observed b02d5678579ae0bad89bdb0e506542cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:31.838181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030655/publication.txt
observed 1e6f013f93ef65036ba218dabfe054e6...
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.