OpenTechnical

OT-2026-000011836

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, pulsed blow-off before 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-2026-000011836) never changes.

Identity and time

Publication numberOT-2026-000011836 · never reused
Internal UUID01a0ae6d-1941-70db-b271-f8d9fb5433f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011836
StatusPUBLIC

Content hashes

Canonical textaefbb6ea7bf145e68d0d16b8a1234bfc3c409691f33d5229b64dfebbc83b5c8e
Markdown9764b9012e31d6d27e09555ee38e4d87b372bd44ead1346d78bc8f7e78777310
PDF
Publication page9c0cc1b6660f835e050b5a9152f8311c255a6c7d91ae8e49df74b3d90cc275d6
Manifestc4e1bde9b652674c1b23d4a122ee3d9a074800a2bdf6f4c1653423895ddce2a2

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
Signature3UbZ7DdNWmYs3pFtPjSoyVnMiTOG34gJ/kDGm9r9w8aNYIu4AzgBSZjqP/JEwLoR4ZCeYlHDuraUKC0Y0LMyDw==
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

2026-09-17T12:12:34.362235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011836
observed 9c0cc1b6660f835e050b5a9152f8311c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:34.343616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011836/manifest.json
observed c4e1bde9b652674c1b23d4a122ee3d9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:34.324857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011836/publication.md
observed 9764b9012e31d6d27e09555ee38e4d87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:34.306195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011836/publication.txt
observed aefbb6ea7bf145e68d0d16b8a1234bfc...
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.