OpenTechnical

OT-2026-000030832

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000030832) never changes.

Identity and time

Publication numberOT-2026-000030832 · never reused
Internal UUID01a0ae74-3fb5-7c13-999f-747bb46c02ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030832
StatusPUBLIC

Content hashes

Canonical texta8fa3c0d6b772e9c50d1de9f1b7f2a5a97b277ee0f0e5c62f554772b813a153c
Markdown0932b8027e50e55eb0611cca8682f52d1a0478d3481cb125a11c161dad068466
PDF
Publication page1a3244cb8ae1884472fb334433ac02a8b864426f529176fd25d02601f3917841
Manifestcff64a3c03041d11aca4c513abc1267fad6a7f081deffc48c90b41f3d6c9ba83

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
SignatureHC7jXX+B1M99XTb792OAA0pYRLImpjcJOF6+/dZZn0CjlKLc0CH5J5HQ84zMMsHfSZr9fJssVJ4KfSqh5oFuCw==
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

2026-09-17T11:36:48.315008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030832
observed 1a3244cb8ae1884472fb334433ac02a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:48.297585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030832/manifest.json
observed cff64a3c03041d11aca4c513abc1267f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:48.280730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030832/publication.md
observed 0932b8027e50e55eb0611cca8682f52d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:48.261791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030832/publication.txt
observed a8fa3c0d6b772e9c50d1de9f1b7f2a5a...
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.