OpenTechnical

OT-2026-000075202

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000075202) never changes.

Identity and time

Publication numberOT-2026-000075202 · never reused
Internal UUID01a0ae93-f200-7eef-837f-93b038dc04c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075202
StatusPUBLIC

Content hashes

Canonical text637300a555806ad45ff2b0597958c6e6507750c82e568716c8693c4d901c1f55
Markdown2d7ac1393d933815b90d7d6a8a95d843900c3cac1aaf0a67b37ca71fcf88aecf
PDF
Publication page612161f4c781e4b4b591865d559d4728e52d6f844c9d1b65eb809171b2948136
Manifest5e5926210015377993cbe021abb49651d36207a0d7164d6394023c553f4b7e68

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
SignatureLEDwodQJ5KUzOL8i0wIosyFcgRQbyV/TJH/oSMBqZmu21kl4a9gJqhL+UVu2nKELNtIQs70bR9IckhXDCiu5Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:27.596911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075202
observed 612161f4c781e4b4b591865d559d4728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:27.578813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075202/manifest.json
observed 5e5926210015377993cbe021abb49651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:27.559276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075202/publication.md
observed 2d7ac1393d933815b90d7d6a8a95d843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:27.540358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075202/publication.txt
observed 637300a555806ad45ff2b0597958c6e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:40.559688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075202
observed 612161f4c781e4b4b591865d559d4728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:40.533165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075202/manifest.json
observed 5e5926210015377993cbe021abb49651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:40.513368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075202/publication.md
observed 2d7ac1393d933815b90d7d6a8a95d843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:40.493767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075202/publication.txt
observed 637300a555806ad45ff2b0597958c6e6...
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.