OpenTechnical

OT-2026-000040946

Publication integrity record

Foam pad vacuum gripper, two stage ejector, sustained 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-2026-000040946) never changes.

Identity and time

Publication numberOT-2026-000040946 · never reused
Internal UUID01a0ae79-6d11-77ec-b03a-0f2729e53702 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040946
StatusPUBLIC

Content hashes

Canonical text64aa434bf01c9ea4ba6f33470776e1ee8aaf21e40407f060d4950986face8731
Markdown5f48d1da460ff647ba084e7edd27ffc40432fd6bb1074f48ff5a741d1d997dab
PDF
Publication page69a44d712de493cdbf57bcfc3eb49ded7d14ba4c9b1f6f157a4b5abd23aaad80
Manifest2110c1db9330fa269dd4024c53b553907ef2103c2d7424be8696a849db5f5609

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
Signature/0HKQCxNd6A/ZCaPpL+xrhqNYdjRy20oc0mCyD8asif8fdFNcn9Co/+a9Vy+M7B9k9J7kELsDwxarPnLuMG2DA==
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

2026-09-17T11:20:20.630294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040946
observed 69a44d712de493cdbf57bcfc3eb49ded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:20.613644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040946/manifest.json
observed 2110c1db9330fa269dd4024c53b55390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:20.591839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040946/publication.md
observed 5f48d1da460ff647ba084e7edd27ffc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:20.565904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040946/publication.txt
observed 64aa434bf01c9ea4ba6f33470776e1ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:45.478431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040946
observed 69a44d712de493cdbf57bcfc3eb49ded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:45.461951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040946/manifest.json
observed 2110c1db9330fa269dd4024c53b55390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:45.445310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040946/publication.md
observed 5f48d1da460ff647ba084e7edd27ffc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:45.426505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040946/publication.txt
observed 64aa434bf01c9ea4ba6f33470776e1ee...
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.