OpenTechnical

OT-2026-000030625

Publication integrity record

Four cup vacuum gripper, four 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-2026-000030625) never changes.

Identity and time

Publication numberOT-2026-000030625 · never reused
Internal UUID01a0ae74-3fb2-747c-8c53-1196fce20cad · 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-2026-000030625
StatusPUBLIC

Content hashes

Canonical text177f2a575af2aa0eab69e6088c8f794075b2977866ea36309d28022fa319aa2b
Markdown58c7fb5846a5d7fcc2faf7d0541464f6cdf06c96ad991f62bbfbcabe0a515729
PDF
Publication page0d2408f55a8c6dae1cc1d5f70377d5e5d0643a9e0f86c65a31148a5f7ecf1776
Manifestbe18a76c08350801e1f4bc0ca1567c0a1705ba077ecb9c99dfa439da3cc3ffd9

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
SignatureJde2JVH5kYVBYoaUJUtw+5zoX07OaJsXKg3PrXVj6trnBUR4vOS3G2WCNwGgTR4t1QZZBs7FXnyQIOF6HupqDA==
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

2026-09-17T11:36:29.821252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030625
observed 0d2408f55a8c6dae1cc1d5f70377d5e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:29.801542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030625/manifest.json
observed be18a76c08350801e1f4bc0ca1567c0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:29.782431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030625/publication.md
observed 58c7fb5846a5d7fcc2faf7d0541464f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:29.763521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030625/publication.txt
observed 177f2a575af2aa0eab69e6088c8f7940...
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.