OpenTechnical

OT-2026-000044195

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000044195) never changes.

Identity and time

Publication numberOT-2026-000044195 · never reused
Internal UUID01a0ae7b-d67b-7e4f-ab6a-8f2f977f3aa3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044195
StatusPUBLIC

Content hashes

Canonical text2c9bf04d687a0b0804017a406acfb5d877efc3a9c2f9f47f3062ea22c3b2af26
Markdown60902f2b8271dc11df1d750150e00634160cdb4f59d744fd1d02362227987d27
PDF
Publication pagee067d515bad323144a57851d87fdfc4799ff03b4c7756018b460570df6bfc30b
Manifest754203121a00057feb5a1c917831d193348c1f9fb47487676b6096829d2a2aa4

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
SignaturesFIRUvnGLK9SIlQ0FkNZNzka3p2+LT4BMU+jm/KvPDKTaC7W1DvuZt9ZU3aUE4Qpx4i0cJMB6XMc0w9ipWhoAA==
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

2026-09-17T11:12:44.656023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044195
observed e067d515bad323144a57851d87fdfc47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:44.637288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044195/manifest.json
observed 754203121a00057feb5a1c917831d193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:44.617466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044195/publication.md
observed 60902f2b8271dc11df1d750150e00634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:44.594744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044195/publication.txt
observed 2c9bf04d687a0b0804017a406acfb5d8...
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.