OpenTechnical

OT-2026-000012142

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, pulsed 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-2026-000012142) never changes.

Identity and time

Publication numberOT-2026-000012142 · never reused
Internal UUID01a0ae6d-39f4-74dc-af75-b2a963d23817 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012142
StatusPUBLIC

Content hashes

Canonical text5ccdbf003eda452efcdb48a5658f6686720feca782948f045b99831217c9bfca
Markdown5730f5fa1a2436503119dcd4ed7291e425e152d01c349c3daf747d94cc81a04d
PDF
Publication pagee92db2c5e4f11d096e7fa7c741d30fd84a63fe8e86a635287d7466e649d63640
Manifestab01902a99c237dff1e039f70dd9c53a52486b61ad22917cfd8af62c826c5ee1

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
SignatureuHiGlDBWhzyAZMrEZTWAyayYxjh7iTVcgZrng366fLUrfHEPx++h+BST2Y3yj/4mKepJ5X4m0evf9PrMExSGBQ==
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

2026-09-17T12:11:02.047343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012142
observed e92db2c5e4f11d096e7fa7c741d30fd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:02.025904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012142/manifest.json
observed ab01902a99c237dff1e039f70dd9c53a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:02.006827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012142/publication.md
observed 5730f5fa1a2436503119dcd4ed7291e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:01.984721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012142/publication.txt
observed 5ccdbf003eda452efcdb48a5658f6686...
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.