OpenTechnical

OT-2026-000022072

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000022072) never changes.

Identity and time

Publication numberOT-2026-000022072 · never reused
Internal UUID01a0ae6f-bb5c-73c6-a66a-d40b4b46269d · 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-2026-000022072
StatusPUBLIC

Content hashes

Canonical text5556cf3e8b3f22a3ae1cfd06c476e9c462d64233f5fd2e672fa8fb76598b9e19
Markdown4b48fd35efae6ceb034d27006de20b254c6c2eeed292a9e46c324cf73c76fa97
PDF
Publication page36316a0359afe3b01fa121011a9b79a523756dd1cd8ea136214ef114c6f2fcb9
Manifestad1b41f9b687c77763bebcca0b23c9efa76b3dd2ed10c1854686700efca7b244

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
Signaturec42RefhJJfgD2LJOgGPYLhJ22tnpPs1TPrOyAf6BdBGlOKBtCWlJW0s/TNI7pVj8oCWMix+gAohz8Z9xlvINDw==
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

2026-09-17T11:54:46.061802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022072
observed 36316a0359afe3b01fa121011a9b79a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:46.043152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022072/manifest.json
observed ad1b41f9b687c77763bebcca0b23c9ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:46.025733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022072/publication.md
observed 4b48fd35efae6ceb034d27006de20b25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:46.009170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022072/publication.txt
observed 5556cf3e8b3f22a3ae1cfd06c476e9c4...
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.