OpenTechnical

OT-2026-000068456

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000068456) never changes.

Identity and time

Publication numberOT-2026-000068456 · never reused
Internal UUID01a0ae90-2481-74e3-971e-130bbcd4bf5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068456
StatusPUBLIC

Content hashes

Canonical text07f661ab81320bff47af4963ffbfaa4277e22c88ca5d2b8c096fab5bde4942d3
Markdown5fa773eff8e88e808cc95b6a7c5a28adc25247b09b0295b4e1c9439da89b14c6
PDF
Publication page8e282e18d2c9df9b74b158419565fd12d6cf728e8ecb37c40a7a9d342715e2f9
Manifest2e7096e20450db2c79ce6c69042757eba1979f2e58c25894f2ce40a69e53a350

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
SignaturedSXEPP67JpnFsnUb4FK0xzBSfohJj5EZaAwAXuha6JHw/BwcMcvFFCZuD23aKt2v40GB4TH1U2Z6PdKhyQD8CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:36.187734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068456
observed 8e282e18d2c9df9b74b158419565fd12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:36.171364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068456/manifest.json
observed 2e7096e20450db2c79ce6c69042757eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:36.154758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068456/publication.md
observed 5fa773eff8e88e808cc95b6a7c5a28ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:36.137124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068456/publication.txt
observed 07f661ab81320bff47af4963ffbfaa42...
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.