OpenTechnical

OT-2026-000043865

Publication integrity record

Single cup vacuum gripper, 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-2026-000043865) never changes.

Identity and time

Publication numberOT-2026-000043865 · never reused
Internal UUID01a0ae7b-d677-71df-90eb-02b488afac29 · 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-2026-000043865
StatusPUBLIC

Content hashes

Canonical textc7b16bfb04755949bf5ce372fc6c7cb0e58390446d4e81fa000f671a71668ce5
Markdownffa87104c2c1dc38dfa75410057a7bece74598d2a8ebe177b9dfffcea431294c
PDF
Publication pagefe950f9967fbd6e8c41e9d0d2df1cc9ed578148296fd10d8e947b0440be7547a
Manifest9d5a3ce1cb49f075ec38ac27ee3a0fee04774fa9cbba3b0c306b7bac9c8791ce

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
SignaturevTA0Tlz5lXgNParXg4zRcrFZ1TY3M1r91p0/6Is3wQ2SpzG2js5IbgDt0GQScdn6iK/MGmrQEwHzP5Wb8eksDQ==
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

2026-09-17T11:12:11.256340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043865
observed fe950f9967fbd6e8c41e9d0d2df1cc9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:11.237011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043865/manifest.json
observed 9d5a3ce1cb49f075ec38ac27ee3a0fee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:11.220244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043865/publication.md
observed ffa87104c2c1dc38dfa75410057a7bec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:11.199987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043865/publication.txt
observed c7b16bfb04755949bf5ce372fc6c7cb0...
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.