OpenTechnical

OT-2026-000047385

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two 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-2026-000047385) never changes.

Identity and time

Publication numberOT-2026-000047385 · never reused
Internal UUID01a0ae7f-3e57-7af4-87d9-4645a4ecd079 · 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-2026-000047385
StatusPUBLIC

Content hashes

Canonical textcbb2951b1cdc46d088d1e0f43f2d7e4e30e6e8c58e28745199efbfc226b47dac
Markdowne12ed999234fa5182b60a1184820fee537416ea3f00861c9f9a3340c99196f89
PDF
Publication page7e411ca5c7a3c1f4b7fe6845d2d69ed6f0db607bb4dd7e79d7638e7f235559f6
Manifest5b0719e34370eec37ef0af4903f7ef256073855bd0d295fdb568803a7e241d16

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
SignatureVVcGb2xMvn5XEg2htstYFm+iRx9u5H7hDNYZtptNlj81jsWbHSAP3TaNgay+5ksmFdTsWFFpVcZ4URgHrjXwDw==
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

2026-09-17T11:06:23.565860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047385
observed 7e411ca5c7a3c1f4b7fe6845d2d69ed6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:23.548502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047385/manifest.json
observed 5b0719e34370eec37ef0af4903f7ef25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:23.531418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047385/publication.md
observed e12ed999234fa5182b60a1184820fee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:23.513409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047385/publication.txt
observed cbb2951b1cdc46d088d1e0f43f2d7e4e...
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.