OpenTechnical

OT-2026-000016067

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000016067) never changes.

Identity and time

Publication numberOT-2026-000016067 · never reused
Internal UUID01a0ae6e-0c4e-7cab-aa90-f03c56882816 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016067
StatusPUBLIC

Content hashes

Canonical text81a21bfddea840611ccf47e169b1af062f6e36864a42ecd8361e7b51b0e39002
Markdownfdaea18eb22f1f570765b8917bef89c56c7b903c988a622f320a6998dcb7d97a
PDF
Publication pagef7eaf1e44dd51c5ef25cd23dc3df577520691ff373c66cc4756385d2964f1a6e
Manifest24532326351be51ca0a3a0ab75b741d5e06e44e28a809950207eb4945a2aa8a3

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
Signature5/9PAi9gCL4BqYYCaTdnjvA4HAGu0Q0sZJTUc2fK8gm9eLds7WT1mTfGmqIoZx5QYylWmdyiabWzq/dox3iZAw==
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

2026-09-17T12:05:37.824485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016067
observed f7eaf1e44dd51c5ef25cd23dc3df5775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:37.802743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016067/manifest.json
observed 24532326351be51ca0a3a0ab75b741d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:37.782176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016067/publication.md
observed fdaea18eb22f1f570765b8917bef89c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:37.763261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016067/publication.txt
observed 81a21bfddea840611ccf47e169b1af06...
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.