OpenTechnical

OT-2026-000027739

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum 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-2026-000027739) never changes.

Identity and time

Publication numberOT-2026-000027739 · never reused
Internal UUID01a0ae72-699a-7f72-b462-ca6795b5906e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027739
StatusPUBLIC

Content hashes

Canonical text187673e95a068a9e16cbac46bf99f02e3770fee4d7d31f543eaef95022936533
Markdowne86ccb05f97fb1b56874bf44081e6280decb42fd465827d3368c2d56a84d14fb
PDF
Publication page5a98015ca46810b54051803f1f5f04649e295ab7ab05647c183fd7db1865d07a
Manifestb5006b2ce470cb28ea40712300671ef7b4e5a740210025ba7531ad2572f88917

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
Signaturefitg+NEzzlrmXKqRrkg5ax+0wnlAloja99sXHy2l24KS2ad28zhYNmwWZea0R4xTok076RU/ISj+tklmQuwLDg==
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

2026-09-17T11:43:17.941774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027739
observed 5a98015ca46810b54051803f1f5f0464...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:17.924373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027739/manifest.json
observed b5006b2ce470cb28ea40712300671ef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:17.907444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027739/publication.md
observed e86ccb05f97fb1b56874bf44081e6280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:17.890623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027739/publication.txt
observed 187673e95a068a9e16cbac46bf99f02e...
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.