OpenTechnical

OT-2026-000039401

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000039401) never changes.

Identity and time

Publication numberOT-2026-000039401 · never reused
Internal UUID01a0ae78-9675-75f1-a8b4-0bee40fadeb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039401
StatusPUBLIC

Content hashes

Canonical textebd8021f989ed7c222920782c76138154e799c05bd0cc10df2ce036a7433689e
Markdown9d26b95f749dfb2dc6150ce35b40466aa57e7608beca7d261793b93a70af6f05
PDF
Publication page95bb313dde582c20ce8432a65c6db1e561289402abc0292b00518cc18e0a357a
Manifestda76faf2cc8832b4304f8b9abcccf0dc0175b94e6d47aa0580dd707a9cd31f81

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
SignatureTsGHV4uLXkoxaqTmeBVWQ4Gvgp6qMX+/DgBgjPMW7rcyorbEs2qgYcKk4vt2gNyu50HLUQAw41UJBZq26VWMBA==
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

2026-09-17T11:21:00.282492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039401
observed 95bb313dde582c20ce8432a65c6db1e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:00.266797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039401/manifest.json
observed da76faf2cc8832b4304f8b9abcccf0dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:00.250370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039401/publication.md
observed 9d26b95f749dfb2dc6150ce35b40466a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:00.231594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039401/publication.txt
observed ebd8021f989ed7c222920782c7613815...
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.