OpenTechnical

OT-2026-000042866

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000042866) never changes.

Identity and time

Publication numberOT-2026-000042866 · never reused
Internal UUID01a0ae7a-c0d1-7017-b6c7-408b3e7f475b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042866
StatusPUBLIC

Content hashes

Canonical text0c0ac7081318ce640a2299544354d385c1ec8056038cd43383f4838881b6735f
Markdown04b20ca746dea9745aa887d5ef5966974bb96fd8ccfee7f5ebeacd2934f371b7
PDF
Publication page51eb289519139920734200fe32bc1e42a04dc0c203d77cf37563a60ad9b4694d
Manifest8e4aff62ed4e518e8f70d9a556c5661e220efd311e5c06b443141beef77eab9f

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
SignaturelzqDAOyhG8yCcKyD1BhDDWskHgZGiorqVpXF2HEqnsH4Pvbhvd3QJH8Wgmu9nnye/fif+9NxKGPD/COomRqJCg==
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

2026-09-17T11:15:21.680364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042866
observed 51eb289519139920734200fe32bc1e42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:21.659275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042866/manifest.json
observed 8e4aff62ed4e518e8f70d9a556c5661e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:21.639611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042866/publication.md
observed 04b20ca746dea9745aa887d5ef596697...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:21.619810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042866/publication.txt
observed 0c0ac7081318ce640a2299544354d385...
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.