OpenTechnical

OT-2026-000030640

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, sustained blow-off before set-down

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-2026-000030640) never changes.

Identity and time

Publication numberOT-2026-000030640 · never reused
Internal UUID01a0ae74-3fb3-78bc-8cc5-bf2ee348eb49 · 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-2026-000030640
StatusPUBLIC

Content hashes

Canonical text95ba9308ec8a8217a8daf495fc3494b88f315a18b677c6c34baebc79c7b959d4
Markdown0a2dc9883701e4843848ad6c63ff589170bb98160a8a714bf4254f57a6c76e94
PDF
Publication pagec30176a6063feb8b74e84a2d6817885410b2a41d396dc9cd1fa95f27cf5e758f
Manifestb0f9857d305a7cc032da06c80cd6b9bb7bfc5bfd44d8a023a5f6937e11cd2035

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
Signaturesaqzy3l8Xax+4E5Z8jBuguoKQUgFVGSxjVhGjJo7QuFq+1Pg5xvgAeWL2GihJ5dMGpmGCiXiKi6y2eKBAQ/XCA==
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

2026-09-17T11:36:31.058799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030640
observed c30176a6063feb8b74e84a2d68178854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:31.039285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030640/manifest.json
observed b0f9857d305a7cc032da06c80cd6b9bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:31.023312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030640/publication.md
observed 0a2dc9883701e4843848ad6c63ff5891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:31.006354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030640/publication.txt
observed 95ba9308ec8a8217a8daf495fc3494b8...
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.