OpenTechnical

OT-2026-000040404

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000040404) never changes.

Identity and time

Publication numberOT-2026-000040404 · never reused
Internal UUID01a0ae79-2701-7fed-9f1f-595588ebfc3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040404
StatusPUBLIC

Content hashes

Canonical textc4060bdd27f8f45329f4aa8967f4c202b7da16103690aa8a14d6fc83a6b18552
Markdown2aa4af33c1a46c578ffefbb297119ecfa69682b6bdb73d837fa6fcfdb653dc2d
PDF
Publication page958282ba9fb7a02cbb4e3875b8f2cc0bbc873ce0ca50fc5e273b596aa5249c62
Manifestb1e1b4c4d13c9e0c9336fcf8e4a7c24c6ff9755ff4ae7bca44dd36c3e6a0ff8a

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
SignaturelU3+CyzYODrMlb2r7Tf7+CzQVnYtSa43AaUk2NnRIe2hZHUNuqLf9002Gia2gv9BBn4qW39py9l9rTW5ObyRBg==
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

2026-09-17T11:19:26.220901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040404
observed 958282ba9fb7a02cbb4e3875b8f2cc0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:26.203589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040404/manifest.json
observed b1e1b4c4d13c9e0c9336fcf8e4a7c24c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:26.184803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040404/publication.md
observed 2aa4af33c1a46c578ffefbb297119ecf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:26.167618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040404/publication.txt
observed c4060bdd27f8f45329f4aa8967f4c202...
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.