OpenTechnical

OT-2026-000018184

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000018184) never changes.

Identity and time

Publication numberOT-2026-000018184 · never reused
Internal UUID01a0ae6e-b488-7f22-9af5-d4fac27a9c2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018184
StatusPUBLIC

Content hashes

Canonical textcf41db6a52ef227086899a2f5d6e3e98295cf49e39134dd47a42f1a76e7c34c4
Markdownc7d0984142e538cbb42412a590847e6399928ccfc06e9a3af5684f2a6c613ee8
PDF
Publication page502fe60ffc7d09ca5c0483b1efe3fc33c1185de529698fdbf3f38280321354fb
Manifestc5558f6944490fb58ecf26c8f0046c832afe2f0c84201b17822481e6d794f8a5

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
Signature0VxW3MKJpIq4il24QZadao/cYlQvoNyB7SGk3y12lP462lzLlTMRQfwRwtJInsW11g5DeTQ5ck71CSr8ccSlCw==
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

2026-09-17T11:59:57.766442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018184
observed 502fe60ffc7d09ca5c0483b1efe3fc33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:57.747572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018184/manifest.json
observed c5558f6944490fb58ecf26c8f0046c83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:57.731071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018184/publication.md
observed c7d0984142e538cbb42412a590847e63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:57.711624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018184/publication.txt
observed cf41db6a52ef227086899a2f5d6e3e98...
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.