OpenTechnical

OT-2026-000040112

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000040112) never changes.

Identity and time

Publication numberOT-2026-000040112 · never reused
Internal UUID01a0ae79-26fe-7e84-a276-b55cd17a5257 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040112
StatusPUBLIC

Content hashes

Canonical text68ac563c6a2cb4d3e425026d0508cb29798e4595400d43b2acd20ac8059ddfc0
Markdown588056a909b2447c9af3f8cbb8ea3458ec10a68b6b6d54ce398ff68011cbddd5
PDF
Publication page79dc68ee883c6e731459b7919466ac2b5d971584a7d8df6317920d453816e4fa
Manifest388fa37dfe74833d78843e29256e2de0a66d9ad8e300072ec89bf0d2d08dc114

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
Signaturewoe1yjiNzO/rwVlwnz+wQ71pQXzKHxI2mV3D4OsjziepZbknO6hmUxUna3ubcMpymIVkHee3xqFH5VYaUrpyDw==
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

2026-09-17T11:18:58.708164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040112
observed 79dc68ee883c6e731459b7919466ac2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:58.689901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040112/manifest.json
observed 388fa37dfe74833d78843e29256e2de0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:58.672948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040112/publication.md
observed 588056a909b2447c9af3f8cbb8ea3458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:58.655659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040112/publication.txt
observed 68ac563c6a2cb4d3e425026d0508cb29...
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.