OpenTechnical

OT-2026-000072874

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000072874) never changes.

Identity and time

Publication numberOT-2026-000072874 · never reused
Internal UUID01a0ae92-89db-75e6-af08-bbe2091c6d2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072874
StatusPUBLIC

Content hashes

Canonical text48f6c22e3e059e8f4741fe89f0af41a569e2d030d7d7b1c96db08ea0b1257312
Markdownbebadd1a4cda9ce1f9fad6487f85c581d846cfc13ff12a542bd312aecfd8deb3
PDF
Publication page9f50266622ec647e92912394b27a43b4dccae74055712c8bac072d9ad71755c1
Manifest0312a63619ea61cbb4a84ef8c32396f7b43b9b86af4b364ee536aed0d7d19f08

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
SignatureAvi9lhfdLm+0lqxsp+WiteCBpXizRGjEses1HGmfmfCFCsByrN57+PMWTm2MLrh2jc870QPyD/qkqnVO5pi3AA==
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

2026-09-17T10:22:47.771054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072874
observed 9f50266622ec647e92912394b27a43b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:47.750623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072874/manifest.json
observed 0312a63619ea61cbb4a84ef8c32396f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:47.733280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072874/publication.md
observed bebadd1a4cda9ce1f9fad6487f85c581...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:47.715422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072874/publication.txt
observed 48f6c22e3e059e8f4741fe89f0af41a5...
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.