OpenTechnical

OT-2026-000030562

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, 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-2026-000030562) never changes.

Identity and time

Publication numberOT-2026-000030562 · never reused
Internal UUID01a0ae73-e505-7431-b089-5032faa40456 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030562
StatusPUBLIC

Content hashes

Canonical text0a2607a85df17d6a8fa00fa28d96def4dc659ccc178c58641cf0b7817bedb990
Markdowna4c93d3f3fcea5295d714153324cb89ed684e49cad070a459d86a05580c8a717
PDF
Publication page6170fec43183f6e07652bb2369d3018f354270f540887d702eb00561a7e960a2
Manifest7230389a888bce829add6bdcd59d1ccfc91a91a0b4488aea697356ab8ff05070

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
SignatureSbnnFeTcGuq8Q+op5T1mFb4FkBZ0pXZjFlkva40KDQy/WbZkLJjIKIE3n/LYhL7dhJnWz3aokqqlj3ewnKCiBg==
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

2026-09-17T11:38:25.950811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030562
observed 6170fec43183f6e07652bb2369d3018f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:25.931983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030562/manifest.json
observed 7230389a888bce829add6bdcd59d1ccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:25.913949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030562/publication.md
observed a4c93d3f3fcea5295d714153324cb89e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:25.897029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030562/publication.txt
observed 0a2607a85df17d6a8fa00fa28d96def4...
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.