OpenTechnical

OT-2026-000017750

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000017750) never changes.

Identity and time

Publication numberOT-2026-000017750 · never reused
Internal UUID01a0ae6e-96fa-786e-a309-689ca4d01877 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017750
StatusPUBLIC

Content hashes

Canonical texte0717e0784b9cde9917c5940dae932d1d759e8eeb8a4ef1d6c3a9402a94c8c3b
Markdowndad635798aa0955b368264539e76a547ef15b1334e4b227165932319842adf47
PDF
Publication page58fe065d4ab30c8e4e11060b0ca228c251741cb6779a66cd3bccbadfa68650f4
Manifeste2275f9796e289033899ae1ea7a37ca3227969cb102525681c8a426f70a75d73

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
SignatureCK2JBQk31v7PsymXTUw/gNKx8tvn9LpWQKdK+5T6m4he+dAoskD5fqk7h54L/ZfWmRt0UEMfLxuAcGz1wztVDw==
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

2026-09-17T12:01:42.299314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017750
observed 58fe065d4ab30c8e4e11060b0ca228c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:42.283418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017750/manifest.json
observed e2275f9796e289033899ae1ea7a37ca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:42.267952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017750/publication.md
observed dad635798aa0955b368264539e76a547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:42.251546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017750/publication.txt
observed e0717e0784b9cde9917c5940dae932d1...
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.