OpenTechnical

OT-2026-000017037

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000017037) never changes.

Identity and time

Publication numberOT-2026-000017037 · never reused
Internal UUID01a0ae6e-591b-7480-b29c-3f9eea1937a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017037
StatusPUBLIC

Content hashes

Canonical text9e652695945f387a123597ac452945807a519631b4ff340d869500fb4a51fba5
Markdownc5f4e7c794bd84333bcd73a2226fd759cae3e7cef30ce0e826e022760029c37d
PDF
Publication page5c7eeff1d0859da330a7b404ae0a6c0fbcca7bf4eedb46ea83511f15f972ecb6
Manifestbc0b43d95aad8f08d73ba3c13983e58e0500de08b0c5e5a571b8836c5ee7bb1c

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
SignatureiFMg64jLuIO0wzM5axoBRUhR6EIeVOGAG80rQUTo3v7dFe0WmpUTvW2gtSqtBgL7HhledfEiSs3M5G5r93K/Cg==
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

2026-09-17T12:03:26.985588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017037
observed 5c7eeff1d0859da330a7b404ae0a6c0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:26.967816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017037/manifest.json
observed bc0b43d95aad8f08d73ba3c13983e58e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:26.947885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017037/publication.md
observed c5f4e7c794bd84333bcd73a2226fd759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:26.928380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017037/publication.txt
observed 9e652695945f387a123597ac45294580...
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.