OpenTechnical

OT-2026-000034345

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000034345) never changes.

Identity and time

Publication numberOT-2026-000034345 · never reused
Internal UUID01a0ae75-df0e-7d3b-a6d8-355b10c67b7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034345
StatusPUBLIC

Content hashes

Canonical text62f6e0588576c26c5ba5db77c5e54b84d834362a2c123f81964e57eb02c453f6
Markdownd9b3f65a259dc28479448d3e2dea31a22a5dff2399ddadc6cc245a5f9d4e43f5
PDF
Publication paged2916d17273fb39a962843970e46c26e77d9bdc8bf4f101a08fe3fdeeea93a84
Manifest8d0ef60027f73a7f85e99a60269c96635c70dff8eaef8d3ab3bb970efccb9c23

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
SignatureTAU4aEuOlCACgk5izLzke0r0f9TMgggMi0dZZzHH6ppi8abYmwfDt9x5DSQt32KpXgwqKMyO7ejsA+rkqPh1Dw==
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

2026-09-17T11:31:02.712893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034345
observed d2916d17273fb39a962843970e46c26e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.694035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034345/manifest.json
observed 8d0ef60027f73a7f85e99a60269c9663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.676654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034345/publication.md
observed d9b3f65a259dc28479448d3e2dea31a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.660458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034345/publication.txt
observed 62f6e0588576c26c5ba5db77c5e54b84...
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.