OpenTechnical

OT-2026-000081804

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000081804) never changes.

Identity and time

Publication numberOT-2026-000081804 · never reused
Internal UUID01a0ae97-0f74-76ec-93eb-363c94899b41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081804
StatusPUBLIC

Content hashes

Canonical text9c0a9ccba3338ef976461788e3c0d9ed2e2e61ddb63234cbde746ce68af40bfa
Markdown368404ddb4c77f5c6cc7584f162d9c40d3988a9250f0d9433a39c2382cb1547a
PDF
Publication page1afb1d0350d539c29075130b85a27d117141e86873e21692a99f3589ef6cf07c
Manifest7523bce4da8b4d8afe1fbfb5c9e948c4cc018b29c522f4ede6bf14b73df91908

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
SignaturevphMGNMhi0cnImltuh+JGODmzKSzlBOeEcEYByOLs4yQjWA9F84dkc+GhN5khfQHHOl2CDpDK29gUpmztOskDg==
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

2026-09-17T09:59:54.371530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081804
observed 1afb1d0350d539c29075130b85a27d11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.353788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081804/manifest.json
observed 7523bce4da8b4d8afe1fbfb5c9e948c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.336284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081804/publication.md
observed 368404ddb4c77f5c6cc7584f162d9c40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.316296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081804/publication.txt
observed 9c0a9ccba3338ef976461788e3c0d9ed...
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.