OpenTechnical

OT-2026-000036136

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000036136) never changes.

Identity and time

Publication numberOT-2026-000036136 · never reused
Internal UUID01a0ae77-01ce-799e-98e0-3d7463c51811 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036136
StatusPUBLIC

Content hashes

Canonical textb5cb223e5d5e6e603eb045d13c2e3b47df656832ba990e66b4124a0fdfc27926
Markdown7ed2061b570bf9044382b662be45e0d277be8ec5c26376549e0238cc3655834a
PDF
Publication page89e14c35cc0b4a07fbdf736decb2743009fd70de77c00907cdb2db7b6d02753d
Manifestf0cf45467c21ee709ee3eea27cce97f136d5f9a1dbc12c10351b44ad3e7f42c6

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
Signaturez/eYggHUZvdRXsAWzVXYKt3HhZrNxn6dh5bNaU4D4N1TSXHaTv28cenxM4X+cHIJt6YxbSHY6HlUmx//G6RUCg==
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

2026-09-17T11:26:20.172177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036136
observed 89e14c35cc0b4a07fbdf736decb27430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:20.156127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036136/manifest.json
observed f0cf45467c21ee709ee3eea27cce97f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:20.137160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036136/publication.md
observed 7ed2061b570bf9044382b662be45e0d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:20.111841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036136/publication.txt
observed b5cb223e5d5e6e603eb045d13c2e3b47...
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.