OpenTechnical

OT-2026-000044749

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000044749) never changes.

Identity and time

Publication numberOT-2026-000044749 · never reused
Internal UUID01a0ae7c-911a-73da-b499-8caa693ceb89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044749
StatusPUBLIC

Content hashes

Canonical text3428b431d762b1ee5e28fd21abc818513e457dc123bbcab278a3a6345ecc354e
Markdownb06e0ca466330627c3f86b22d339de474985b8473b71af3ed56ce604d8dbdcc1
PDF
Publication page146f810ca82fb4e3d19259ff91ab3de1914c52b3eadadbbe5fca2b366ded04f7
Manifest7a0f7d34842fc55a17b8545a2eb17b453dca906cdb0617f29aedd69c07f3b99c

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
SignatureMZE4kUKwaoc1+avsLGe0lryxcW2FG5D8Ydy4ETVwcJ5vv84j6J22Xn6c+EAXdcCXMbHTBJiuw8DMaAgserU7Bg==
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

2026-09-17T11:11:21.911123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044749
observed 146f810ca82fb4e3d19259ff91ab3de1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:21.893492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044749/manifest.json
observed 7a0f7d34842fc55a17b8545a2eb17b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:21.874179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044749/publication.md
observed b06e0ca466330627c3f86b22d339de47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:21.855453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044749/publication.txt
observed 3428b431d762b1ee5e28fd21abc81851...
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.