OpenTechnical

OT-2026-000019584

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold 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-2026-000019584) never changes.

Identity and time

Publication numberOT-2026-000019584 · never reused
Internal UUID01a0ae6e-f394-71e0-bfb8-bd1d4b136878 · 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-2026-000019584
StatusPUBLIC

Content hashes

Canonical text4e481a2813ed588b8ca4a77e5c2d56d9b1ee483b60c031d7ac41392deaca0c74
Markdown45be6dc5b43d3d0caed5c8a334c43f9255a630965ebcf4f4b6f48dad89feb40f
PDF
Publication pagede6842d9ceee9fa1af75127fc43ed76652fad45fa72babf92c504c0b20c7da83
Manifest12cd5c819ac86484f2670df15aff4005f9fe43d478d51618e76e5d063ab110ab

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
SignatureFm0WdsLkiQ3JmxdT8vPAQfmp6fB75FL3NQqljDyX+xH3OagT/ItfLK5+Agf8fgO1D5qI/OsRld156Fs2AzahDQ==
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

2026-09-17T11:59:02.020148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019584
observed de6842d9ceee9fa1af75127fc43ed766...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:02.003320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019584/manifest.json
observed 12cd5c819ac86484f2670df15aff4005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:01.987501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019584/publication.md
observed 45be6dc5b43d3d0caed5c8a334c43f92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:01.970794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019584/publication.txt
observed 4e481a2813ed588b8ca4a77e5c2d56d9...
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.