OpenTechnical

OT-2026-000018906

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, 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-2026-000018906) never changes.

Identity and time

Publication numberOT-2026-000018906 · never reused
Internal UUID01a0ae6e-d522-7f48-a73c-a10a5ab0f937 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018906
StatusPUBLIC

Content hashes

Canonical text38f96986d41e5500d9f93c9a79304c67c640acffdb28a76165bb8f2d53bbe358
Markdown049a5540aab10f8537410149f986cbf3d7733fdc71778155aeb3d5938d37af7a
PDF
Publication page9d5b8038db8f7721c7158d4fbdf0781711682306ae6e3b1a0bd10f3bd6fcbc5d
Manifestcd5cc7d3a4dcb4e7696303bebd973e5716eddb1ca51eade5c541ea08116ae4a4

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
SignaturevpSFAJHN2HVqR52Olx/OgdDxpFEs5CyLOWgJ2yqJM/k7sxklXng1L9Ug3oU8jMMv4hiFQnkGHeMFEiMCRVZsCw==
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

2026-09-17T11:59:33.741123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018906
observed 9d5b8038db8f7721c7158d4fbdf07817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:33.723722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018906/manifest.json
observed cd5cc7d3a4dcb4e7696303bebd973e57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:33.704134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018906/publication.md
observed 049a5540aab10f8537410149f986cbf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:33.687508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018906/publication.txt
observed 38f96986d41e5500d9f93c9a79304c67...
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.