OpenTechnical

OT-2026-000043367

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000043367) never changes.

Identity and time

Publication numberOT-2026-000043367 · never reused
Internal UUID01a0ae7b-327e-7ac1-8d8d-948cac3996f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043367
StatusPUBLIC

Content hashes

Canonical textc6b8f0db51966c02b060c62eef72d72bae6ac2f2308382e7f3414245bf0a618e
Markdown97c15cf7987ab6ba956e4c2ac53977348bfbe825d611d314b81a40471ab3b9da
PDF
Publication page15ebac30a659b0c5cd42eb46f4193884f3dc0c24e86088174d7c3141c4b4e60a
Manifestab5fd2815547dccc90e3e57f121f0f54acc46384567e47068a07fdb561234dd9

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
SignatureSX9rO9v+wl/mxfDin0RacoteIWBUnA9bCbaKSUAoCAW/Ja785vwSr8+CFQs5axD3jeK5WEYZRGyj08zphqUzCg==
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

2026-09-17T11:13:53.479303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043367
observed 15ebac30a659b0c5cd42eb46f4193884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:53.453284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043367/manifest.json
observed ab5fd2815547dccc90e3e57f121f0f54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:53.430894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043367/publication.md
observed 97c15cf7987ab6ba956e4c2ac5397734...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:53.401329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043367/publication.txt
observed c6b8f0db51966c02b060c62eef72d72b...
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.