OpenTechnical

OT-2026-000018572

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000018572) never changes.

Identity and time

Publication numberOT-2026-000018572 · never reused
Internal UUID01a0ae6e-b48b-7e1d-9468-27f455179b0c · 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-2026-000018572
StatusPUBLIC

Content hashes

Canonical text7c5e8d5ca7c454d947a5b2c130f3c6d31812257cc45dc382dfd28b3863e46e31
Markdowna57c7e056b3c396c2479f88950c45bcbca1a60b6755895abfdb53e79ede23f4b
PDF
Publication page08d737ca15463c58941deade94568801e00dce02aabbbf176dedb88cb71ea727
Manifestc3371b2d761c9a81a4725a56eac6fc32e0c2d107a89f91e7be1620abad295e06

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
SignaturehW2ptX0VuhXUPs+FqzECA1KzY2Bm1O7Js3qyXx5aTh0nq/Aj0EXiZT+PUt3pujTkJPHzcnFDGhJsCx60ir2LCQ==
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

2026-09-17T12:01:22.489136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018572
observed 08d737ca15463c58941deade94568801...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:22.471265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018572/manifest.json
observed c3371b2d761c9a81a4725a56eac6fc32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:22.450578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018572/publication.md
observed a57c7e056b3c396c2479f88950c45bcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:22.432850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018572/publication.txt
observed 7c5e8d5ca7c454d947a5b2c130f3c6d3...
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.