OpenTechnical

OT-2026-000041950

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000041950) never changes.

Identity and time

Publication numberOT-2026-000041950 · never reused
Internal UUID01a0ae79-e8a7-76de-a9fc-2a99ed8b5499 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041950
StatusPUBLIC

Content hashes

Canonical textf56026be764e8c6db74553677401f7d1d560df46578764ac70bc8579ab8578ae
Markdown87508291aeac08cb00bbbba580d019d3f18ef3cd3c2da5e457ab8238f60e0633
PDF
Publication page82b642697ab0f888225a1478f486d5ca28fe27307686ea74e34505a9e700135e
Manifest6fdc6c6f5d27a209b7a873879a2e07fa7923182a113d647fe61d29c80f7657ab

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
SignaturewxGZZdAWvMOMAiNjX4FhGZ6N0rG+RfDuVxAxkVI1uAWXHfsN30tQHmWgoBPwEbvbTu8dq5VnyO09xpEUfkVmCA==
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

2026-09-17T11:16:50.422172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041950
observed 82b642697ab0f888225a1478f486d5ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.406656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041950/manifest.json
observed 6fdc6c6f5d27a209b7a873879a2e07fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.390330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041950/publication.md
observed 87508291aeac08cb00bbbba580d019d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.374084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041950/publication.txt
observed f56026be764e8c6db74553677401f7d1...
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.