OpenTechnical

OT-2026-000010920

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, vented before set-down

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-2026-000010920) never changes.

Identity and time

Publication numberOT-2026-000010920 · never reused
Internal UUID01a0ae6c-540d-765c-9a1e-5fe10d2b4733 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010920
StatusPUBLIC

Content hashes

Canonical texte948f3759f10756f4ace770908bb308081e1488b17ade8a0b372bac4c7ce8289
Markdownab37e2b2ecdcc315eac516e0151f246f9e234c3418f309f82f0871083631da8b
PDF
Publication pagedff14af5f93513f5840d02c9d9d1b9ab3817d8ffb3f9f504f656eab1578b7f11
Manifest1dc337bc0b2fd443da411ea50a431a7f91766df174cc122701eb053ad2040611

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
SignaturessnqfBvJlq0rGucP/Q9zu6uXcayRvs23KGipJWJ3IDB2kJkrm5YbuJqxscAFfG69uzzZO/wiXxbFy6ozV2X7Cg==
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

2026-09-17T12:13:42.109782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010920
observed dff14af5f93513f5840d02c9d9d1b9ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:42.084904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010920/manifest.json
observed 1dc337bc0b2fd443da411ea50a431a7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:41.972566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010920/publication.md
observed ab37e2b2ecdcc315eac516e0151f246f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:41.953246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010920/publication.txt
observed e948f3759f10756f4ace770908bb3080...
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.