OpenTechnical

OT-2026-000041102

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three 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-2026-000041102) never changes.

Identity and time

Publication numberOT-2026-000041102 · never reused
Internal UUID01a0ae79-b142-7a8d-a814-d20da8ff79e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041102
StatusPUBLIC

Content hashes

Canonical textf582ac611fe5ce1824d4e71d1226cdb0ffd9653c513803ed88d3ec95567e5376
Markdowncf6c8d305810059b6d569645da191ae0d6976e578d63036c14a50589a9a7e77c
PDF
Publication page41536e350ea3f1e7b934c20986ac3c0e1c4afc20a4fa8d097960dad267bff282
Manifest44b524a9b5806138da70305560e82d6994b5b0841893e43caf6290eab7dd6dca

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
SignatureS1y2uGqinfY/x1f1DVzzWM0Kd/6JZoc3joCUwsgOUFk+9l5zYHJ0TP2IZUJjv0wOJPiLnqOPUthleTWlKf74Dw==
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

2026-09-17T11:17:01.313265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041102
observed 41536e350ea3f1e7b934c20986ac3c0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:01.294487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041102/manifest.json
observed 44b524a9b5806138da70305560e82d69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:01.277948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041102/publication.md
observed cf6c8d305810059b6d569645da191ae0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:01.259015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041102/publication.txt
observed f582ac611fe5ce1824d4e71d1226cdb0...
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.