OpenTechnical

OT-2026-000044341

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044341) never changes.

Identity and time

Publication numberOT-2026-000044341 · never reused
Internal UUID01a0ae7c-39d6-713b-8322-ab485ed2a598 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044341
StatusPUBLIC

Content hashes

Canonical textde4c8ed18af7916324409c9bfa1d51b8c315b6e1766babb7581843794916e589
Markdown962258bed2d397664f7cd268422e531953c70cfba36037ae0d5dd2107f8b470a
PDF
Publication page3689c7b5dfda7e2f53fd5e4a58c7b655012b05fed43a0aef0b56af874d7654ca
Manifest5b6eef58dff9ddbdc4ffa9c3d2e8251d4ce8f237492a5ae6578c648f7b22c43c

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
SignatureBseVFG5v+lawUw013mSaCDCeVoN9gnmM2YWhslb5q2Oiq+2MziEfIlTEck2pK+vPI4jn7qQTwAJ7EJYD+AiWAg==
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

2026-09-17T08:30:24.272130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044341
observed 3689c7b5dfda7e2f53fd5e4a58c7b655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:24.253961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044341/manifest.json
observed 5b6eef58dff9ddbdc4ffa9c3d2e8251d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:24.234103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044341/publication.md
observed 962258bed2d397664f7cd268422e5319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:24.215446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044341/publication.txt
observed de4c8ed18af7916324409c9bfa1d51b8...
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.