OpenTechnical

OT-2026-000014113

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed 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-2026-000014113) never changes.

Identity and time

Publication numberOT-2026-000014113 · never reused
Internal UUID01a0ae6d-b278-76c9-9897-63589dfb45ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014113
StatusPUBLIC

Content hashes

Canonical texta2a998ce117be4340fb12578a1f177c53dfc7635d65485777a0fd9e1a41f06c5
Markdown30cf22aaa19c241498cf9aad8ca88c3d30b36ea15a6891a7454e3ff84c6a404e
PDF
Publication paged3bf3aa6bddff7ddd2e6b4c85421ba978e2dc06cac5b48ee0e3d0cc98f0dfed9
Manifestd572bbc43f6d72deac0ddb2bd9f1929ac449dbd6476960abea74b06e1ab78450

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
SignaturegkltrM7D1GPV66o+EeSyX71VJ8N9bUq6qFzvcmHgr8XcfreajNLlkvw5/C0cbGoGgwAVJszXQzrQSSRVk1f2Ag==
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

2026-09-17T12:07:10.800979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014113
observed d3bf3aa6bddff7ddd2e6b4c85421ba97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:10.783333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014113/manifest.json
observed d572bbc43f6d72deac0ddb2bd9f1929a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:10.764216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014113/publication.md
observed 30cf22aaa19c241498cf9aad8ca88c3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:10.744500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014113/publication.txt
observed a2a998ce117be4340fb12578a1f177c5...
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.