OpenTechnical

OT-2026-000064959

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, pressure sensor per zone, 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-2026-000064959) never changes.

Identity and time

Publication numberOT-2026-000064959 · never reused
Internal UUID01a0ae8d-debe-7f2d-a4c9-d06cba505f4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064959
StatusPUBLIC

Content hashes

Canonical text03eb9545037a4ba363c77ad3c9c7b84690ac914fae0c5e36677331bfb11357ee
Markdowndb89bd9ca6074749b37ae43932478c40d4d6620d9f92d458f69cbae6e135f7d3
PDF
Publication pagec096c4511d155966f19e245ab01474a5fa18023dd187b0937f847705dc500cf8
Manifest6d7b07196c94843cad39a4146d10714b0137ddaa3176150c5f7ac64e845af6ff

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
SignatureSVu8XNyV1MXntiNRVbL0kBkVj2dlXtJIOFAhFOgB6gJD21kolP2ZyhIfKPFGNFyF9Bl+lIgB9dCZIFQU5jxmAQ==
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

2026-09-17T10:35:54.156016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064959
observed c096c4511d155966f19e245ab01474a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:54.137565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064959/manifest.json
observed 6d7b07196c94843cad39a4146d10714b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:54.119815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064959/publication.md
observed db89bd9ca6074749b37ae43932478c40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:54.099590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064959/publication.txt
observed 03eb9545037a4ba363c77ad3c9c7b846...
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.