OpenTechnical

OT-2026-000026165

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000026165) never changes.

Identity and time

Publication numberOT-2026-000026165 · never reused
Internal UUID01a0ae71-a841-751e-b86a-8d2a91df2220 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026165
StatusPUBLIC

Content hashes

Canonical text548a0ce78495de3b025785b908fe9016f2752d3dbd682e4ac359bf10e899bf8b
Markdownf42979fed820c1e1aad6c294167efb74091f8eea865d758912cbe1cb24fb8f26
PDF
Publication page29fa67a5fb6c5c16cb4488c5c831672e27325a5b688fd7b3994f52a5dc6450b5
Manifest6c2730d058e79c2654aba1a8753257041c79e2dfd3d8ec4c0b2b84c8c5e46ee2

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
SignatureFc8PX4dZZ1IQT30EmE53/t4IttSvLlSlPSOHcyunF6H8OHv3Tn88IywSsjeOcXBgmHCW/ZenRtU0frz6RCuxAg==
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

2026-09-17T11:46:40.544957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026165
observed 29fa67a5fb6c5c16cb4488c5c831672e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.522987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026165/manifest.json
observed 6c2730d058e79c2654aba1a875325704...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.505968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026165/publication.md
observed f42979fed820c1e1aad6c294167efb74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:40.490478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026165/publication.txt
observed 548a0ce78495de3b025785b908fe9016...
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.