OpenTechnical

OT-2026-000030785

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000030785) never changes.

Identity and time

Publication numberOT-2026-000030785 · never reused
Internal UUID01a0ae74-3fb4-7187-b6f8-a7d024c17432 · 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-2026-000030785
StatusPUBLIC

Content hashes

Canonical text6258fd105f886004e4da6b991c426aa67626653695c9d2955399d6dc9262f253
Markdownfc9f5468a766e688df01de5919a1be26e95af7409e8fcc2e01860f7f84b60955
PDF
Publication page9b149ce0367d2eba4884c31c3e16392832234cbb194d2a24426550a9584afb9e
Manifestbe197bba0d5f07293615f05f874890bdeb9b4f352ae836960d0ca2e1c447b7d2

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
SignaturetkMbk4o8Akr1GRH4pQFrpqPGaXaSkv+hzW1LxmczC9c5tIuyke9vBeZFGsy0ID/6BmabF3gQ5+5MVVJ46yq+Bg==
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

2026-09-17T11:36:44.782890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030785
observed 9b149ce0367d2eba4884c31c3e163928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.765707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030785/manifest.json
observed be197bba0d5f07293615f05f874890bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.748345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030785/publication.md
observed fc9f5468a766e688df01de5919a1be26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.730008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030785/publication.txt
observed 6258fd105f886004e4da6b991c426aa6...
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.