OpenTechnical

OT-2026-000061849

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000061849) never changes.

Identity and time

Publication numberOT-2026-000061849 · never reused
Internal UUID01a0ae8b-b8ac-7439-8c11-af6f425f37b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061849
StatusPUBLIC

Content hashes

Canonical text43225088232e2e7a8966f477506aebc84571ec33449908f446a9c5075b2e55ed
Markdown593a7b811f97ec71dfc763ab1f1ad49585b69d9f2ce47629146ecce078e219da
PDF
Publication page8507befbe4939389973f0cd40edae7b4b2e26cd5fd367de4e5bc8b7bfccdb099
Manifest89a479475ae5502d1689c8921e14da6f981c049b89a3adb30608b99db1fa95cb

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
SignaturekfQnU0vmnVo/Qhw0ZUGUQ3maOyTAWpsexq7aAMs7aSzUaTL0cu/PBNdt/Zi/ARsz7JHgRaV5LXp0M6714aekCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:42.055285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061849
observed 8507befbe4939389973f0cd40edae7b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:42.031715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061849/manifest.json
observed 89a479475ae5502d1689c8921e14da6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:42.011737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061849/publication.md
observed 593a7b811f97ec71dfc763ab1f1ad495...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:41.992531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061849/publication.txt
observed 43225088232e2e7a8966f477506aebc8...
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.