OpenTechnical

OT-2026-000030780

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000030780) never changes.

Identity and time

Publication numberOT-2026-000030780 · never reused
Internal UUID01a0ae74-3fb4-76b3-8a38-de6e954e7cd5 · 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-2026-000030780
StatusPUBLIC

Content hashes

Canonical text8b4ddb197e1b851708d773df8677f80c9dedabace3d55ed4e979ea320661f085
Markdown824ed86b41a42555cf6278ae09518b8b452b3b88148ca9eebb3a9cb63c8d3c90
PDF
Publication pageea38a431fb29988cab7f79ff823967579c5227332522103ce8a446011beee562
Manifest9c407934ae7e2dc27ae53ef7004c96542bcc84ba0c31dd95048a9c4bb74554ed

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
SignatureFtmHEBc5MQbs86L9sTTbME7iukxyAWIQq4s999nOnNclmPCJZeo1Tzf2fsuZLZuzdaCaiAwen+CbPIwfts0lCA==
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

2026-09-17T11:36:44.545624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030780
observed ea38a431fb29988cab7f79ff82396757...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.527752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030780/manifest.json
observed 9c407934ae7e2dc27ae53ef7004c9654...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.510275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030780/publication.md
observed 824ed86b41a42555cf6278ae09518b8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.491028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030780/publication.txt
observed 8b4ddb197e1b851708d773df8677f80c...
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.