OpenTechnical

OT-2026-000019479

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, 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-2026-000019479) never changes.

Identity and time

Publication numberOT-2026-000019479 · never reused
Internal UUID01a0ae6e-f393-7014-a22c-78ac5f5b04f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019479
StatusPUBLIC

Content hashes

Canonical text06c29806ac3b7c9d772be7f64ea7319f19e6ef4bc9e7679e139e96c10707a182
Markdown26fb9181f4e962802b82ca9501f91263b69c129082ce306ade94080c9503b28d
PDF
Publication page109215a7f1cf443a14d871d5c90fc3932c2a2eba9029391d4ee9cbb318e89525
Manifest5d91e7929572c45088adeb6ec6cad6cb750f81e888fcb67c5f24b19c1b3e5542

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
Signaturezy86w+IxJzBf/EghECYVWNStPQD9Fdgkd52alhFH/H70WWA7NfngXckc+BLDVJk9Z6C7hA2+0GREfvpQpAFFAw==
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

2026-09-17T11:58:53.966268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019479
observed 109215a7f1cf443a14d871d5c90fc393...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:53.948092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019479/manifest.json
observed 5d91e7929572c45088adeb6ec6cad6cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:53.927138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019479/publication.md
observed 26fb9181f4e962802b82ca9501f91263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:53.908228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019479/publication.txt
observed 06c29806ac3b7c9d772be7f64ea7319f...
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.