OpenTechnical

OT-2026-000038141

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold 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-2026-000038141) never changes.

Identity and time

Publication numberOT-2026-000038141 · never reused
Internal UUID01a0ae77-f88b-7988-af43-43f6ef2fab52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038141
StatusPUBLIC

Content hashes

Canonical text3b604f5e018b1688db0162e0e3aa47bc59c2690330b6ad7821e40fb6fff49f02
Markdownc44b2f3b6e17c55acb55bda29234612329cdac7d8e357b4f5ca29aa2eb086ef3
PDF
Publication pagedc5c052c9e9cce241cb8b4f8fbce2e84fe9ba0c15aa73016509c1ec982013c78
Manifesta199cb1aa4535303287e2697a35d357c9f5cfbd9d9722244dea51b30fdd79ef0

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
SignaturegRk6GWjINk1oTYItz3ck8pFCqMBCoV6DXFfV4LaH1ETnjZyUYkh1q23d1PvdVNgz9B5bAy+Ju4auxO86hi9xCw==
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

2026-09-17T11:23:29.311498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038141
observed dc5c052c9e9cce241cb8b4f8fbce2e84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:29.293344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038141/manifest.json
observed a199cb1aa4535303287e2697a35d357c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:29.274379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038141/publication.md
observed c44b2f3b6e17c55acb55bda292346123...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:29.255986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038141/publication.txt
observed 3b604f5e018b1688db0162e0e3aa47bc...
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.