OpenTechnical

OT-2026-000040173

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000040173) never changes.

Identity and time

Publication numberOT-2026-000040173 · never reused
Internal UUID01a0ae79-26ff-7314-a9bd-98ef73104cf3 · 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-2026-000040173
StatusPUBLIC

Content hashes

Canonical texte6db979b21ba65311df7b302abf697f06df79a462f3665d6f9a0520726cb23b0
Markdown7e5501c8bf92b74de92d735e982d85f16c9fd4e996a962bcc90183314911987a
PDF
Publication paged4650df9d5905ee1c965134254755dd2eaace37d22531d2c8a5306dec78597d9
Manifest138abea08ea84d26d7e17c4d4bbac34d2f0c85383da373d4fca1b5bb203ab957

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
Signature6qN6FgxjGB8DSI5EarxMJ8gYCTP1N2xRD2PHhgiO0Cjl/vXsii54w8IXRZ1lG/uaq6ECPVz3gTn0Ml6g0Vz7BA==
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

2026-09-17T11:19:03.085135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040173
observed d4650df9d5905ee1c965134254755dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:03.067955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040173/manifest.json
observed 138abea08ea84d26d7e17c4d4bbac34d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:03.050891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040173/publication.md
observed 7e5501c8bf92b74de92d735e982d85f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:03.035768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040173/publication.txt
observed e6db979b21ba65311df7b302abf697f0...
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.