OpenTechnical

OT-2026-000019846

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, 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-2026-000019846) never changes.

Identity and time

Publication numberOT-2026-000019846 · never reused
Internal UUID01a0ae6f-1fb5-74ef-8896-626d62ae70c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019846
StatusPUBLIC

Content hashes

Canonical text8182d3500b5a8bf2e53574a873ad04135723e5f6af13ff2e48fcc99eb7d9b40d
Markdownee0d707b59816f3843f973ec999018054de308d49da7039e03eaee9961b64357
PDF
Publication page320ee5450cb5d1d1760564ed859a57a4a6d0688b0117f9b16c354adfe2872c37
Manifestcfb2cbec95df34016d856a67398be1644363f6149af4559691da33f6869fc733

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
SignatureCwY/kfQjPZC8w7wIFKCzQha+eWcyjdcFEIkIy8L+le6CG0Ta0hHw2y4myOHCaOdY7oYGtISwppAgVWBKasFTAg==
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

2026-09-17T11:58:02.580475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019846
observed 320ee5450cb5d1d1760564ed859a57a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:02.563407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019846/manifest.json
observed cfb2cbec95df34016d856a67398be164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:02.545834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019846/publication.md
observed ee0d707b59816f3843f973ec99901805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:02.524946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019846/publication.txt
observed 8182d3500b5a8bf2e53574a873ad0413...
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.