OpenTechnical

OT-2026-000022059

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pulsed 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-2026-000022059) never changes.

Identity and time

Publication numberOT-2026-000022059 · never reused
Internal UUID01a0ae6f-bb5c-76c5-b2d1-b7a5d09966c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022059
StatusPUBLIC

Content hashes

Canonical texte5a00dd22679d42ee5f5b340ff685fcd198f8a28479723c091e9c9b00906715a
Markdownd01c9c2a288708953767ed5150a55c68848afa9bd0f0cebaf9a534f34af37bf8
PDF
Publication pagec0327ea715ab90863f277924e6048fe82034cb42b04706eb9dce8feca682f8e6
Manifest6f4485fb2ebaea547696ac709e0fd022685bbff7ee25439e61724cbba290fd10

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
SignatureeQc72sl5t1TKVoYT48nT8a6l4NUa3PpsLvgS4dBYPYWElSDkUv/InNytCNfAIaUe6kOe6GYRylqFh9GIG07hBw==
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

2026-09-17T11:54:45.203431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022059
observed c0327ea715ab90863f277924e6048fe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:45.185177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022059/manifest.json
observed 6f4485fb2ebaea547696ac709e0fd022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:45.163833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022059/publication.md
observed d01c9c2a288708953767ed5150a55c68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:45.144909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022059/publication.txt
observed e5a00dd22679d42ee5f5b340ff685fcd...
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.