OpenTechnical

OT-2026-000047241

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000047241) never changes.

Identity and time

Publication numberOT-2026-000047241 · never reused
Internal UUID01a0ae7f-3e56-7fdb-8efb-8c7f78286b85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047241
StatusPUBLIC

Content hashes

Canonical textaa3566433924f008f88e85a45def882c41af35391978135f5802adb2077b38e9
Markdown2a189028ac2266ea88a2172260b576308eb430c14cf295ae3180383eb9eb4f81
PDF
Publication page5ef4c764fe3a365cf61a2986cdd64abc5fbd7abd4930c692c651d8d70cd7baf4
Manifesta38aff3ade171a311f8f1e7215dbe88e4634474cb13868df8a0698029ed318f1

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
SignaturegD1T/ZS9sPWjhgtxOoQt5YW3GhJaO45Jl/+aJNgfkJePk+sFNvoXv6/vVsT9Jgf2BhYXlpa5/AHa3iPWj+SnDg==
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

2026-09-17T11:06:11.906349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047241
observed 5ef4c764fe3a365cf61a2986cdd64abc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:11.887989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047241/manifest.json
observed a38aff3ade171a311f8f1e7215dbe88e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:11.866625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047241/publication.md
observed 2a189028ac2266ea88a2172260b57630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:11.847612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047241/publication.txt
observed aa3566433924f008f88e85a45def882c...
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.