OpenTechnical

OT-2026-000072384

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000072384) never changes.

Identity and time

Publication numberOT-2026-000072384 · never reused
Internal UUID01a0ae92-47c3-72f6-a374-f1c8a947b36f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072384
StatusPUBLIC

Content hashes

Canonical textd2f99dab7f89f53e042aedee0216006f1c14df3e1ac8e99812521c7c85a90e64
Markdown620868961ea897af1ec9ad30b7859fa03ec8505c5e1ebcdd4ee0e6e4bd65631c
PDF
Publication pageaff5b75de0ea3924224f848109f7b23704ff83252c8d5beee814f7152e72f4b1
Manifest23adda3180c4d2f1894d9b45605918995c2eca5d2b43658c6a142048d585dcae

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
SignaturezhX4DBCJw5Ms0UObF7558KX7mo1fPR03giErSe9gYGXxC8EgXln1CJP3Z9sGpxIWTMU4cZ+vtaOWfs7bck3AAg==
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

2026-09-17T10:23:37.332413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072384
observed aff5b75de0ea3924224f848109f7b237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:37.314960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072384/manifest.json
observed 23adda3180c4d2f1894d9b4560591899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:37.297685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072384/publication.md
observed 620868961ea897af1ec9ad30b7859fa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:37.278939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072384/publication.txt
observed d2f99dab7f89f53e042aedee0216006f...
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.