OpenTechnical

OT-2026-000030622

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000030622) never changes.

Identity and time

Publication numberOT-2026-000030622 · never reused
Internal UUID01a0ae74-3fb2-7a72-9eeb-32a698b30c26 · 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-2026-000030622
StatusPUBLIC

Content hashes

Canonical textfb460f383e69fe5127184b35326fc086e68df837adcf6c08e97ff9d7e61e3cba
Markdowna36adb5df557ff074b04800cc59a2826c84e71691b8c6622a29ddf01be495e82
PDF
Publication page5b6a0ef671a5ccba2f153f115b2d9e48a632a095ed324e4ec6a39b84aba0938e
Manifestb6d51900ced157edc7af6999d50671f81b1d8d7d4b4714d46cbe3802ca90ac75

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
SignatureEVbZ0HW16b18WCyUjVK1uSXWpdE3zDhZ5Ooe1IzsVf7qdvXwk1vllw0jePO/lcQfTqL3rRjUvfldRHUi0icYAg==
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

2026-09-17T11:36:29.448620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030622
observed 5b6a0ef671a5ccba2f153f115b2d9e48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:29.430130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030622/manifest.json
observed b6d51900ced157edc7af6999d50671f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:29.411419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030622/publication.md
observed a36adb5df557ff074b04800cc59a2826...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:29.393752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030622/publication.txt
observed fb460f383e69fe5127184b35326fc086...
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.