OpenTechnical

OT-2026-000044201

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044201) never changes.

Identity and time

Publication numberOT-2026-000044201 · never reused
Internal UUID01a0ae7b-d67b-73ea-8526-8fc28a9e31f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044201
StatusPUBLIC

Content hashes

Canonical text5101cbf4f39a46677d065831347c88e9412bb3e9810fd71f037a5b3f15a5fd28
Markdowne885b3615de3734fa5bb4c2540a7b18a9ebf43fe93398e11259a8b6def9c5c32
PDF
Publication pageea4fc61639f78bcac5ce999af2f5684769c7ac5da88cd71d89867c53e3dc2e10
Manifestd95bbc91d5a67ad8c96a901d24246202311569cef0dc988d4ba25a6f035c63c8

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
SignatureZPx/wOVNZMisidU6CNAqkD0mUOta2Xhn/r+2E0i1D4vASDQOXFjmpZVvrMeRm8Q/zYepOIj3JolIlgARN7zrCg==
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

2026-09-17T11:12:45.168954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044201
observed ea4fc61639f78bcac5ce999af2f56847...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:45.149270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044201/manifest.json
observed d95bbc91d5a67ad8c96a901d24246202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:45.129036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044201/publication.md
observed e885b3615de3734fa5bb4c2540a7b18a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:45.107530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044201/publication.txt
observed 5101cbf4f39a46677d065831347c88e9...
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.