OpenTechnical

OT-2026-000013651

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000013651) never changes.

Identity and time

Publication numberOT-2026-000013651 · never reused
Internal UUID01a0ae6d-8de8-7b00-bd26-429a9e90d175 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013651
StatusPUBLIC

Content hashes

Canonical textc75145e3d970ef93430f850e9f54f596fc7b7e807515845693af13dc32b15014
Markdown4b68b013f3506120df3364f8359138ff96a49b4c432cad00f1c5a23eecbf6fbe
PDF
Publication page0e8be41ad250f1d26202163a4068bc0cff471f316a13f0fc03f9296f9c4f1ea9
Manifesta3f6035ebef1c6ed3e4db96c6faf8a97ab2eec1f2dc1243f7392b4ad593bce86

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
SignatureNEHSxOSQEaEeSYtXGhdMRJVgZA/ze5J7k0sMcvCAAXvrCuHoyFXoRVOb/AJYaeiVyp3y0Ip7dW8ppNIwX60kDw==
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

2026-09-17T12:08:35.356749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013651
observed 0e8be41ad250f1d26202163a4068bc0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:35.337191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013651/manifest.json
observed a3f6035ebef1c6ed3e4db96c6faf8a97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:35.319315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013651/publication.md
observed 4b68b013f3506120df3364f8359138ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:35.302007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013651/publication.txt
observed c75145e3d970ef93430f850e9f54f596...
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.