OpenTechnical

OT-2026-000026298

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000026298) never changes.

Identity and time

Publication numberOT-2026-000026298 · never reused
Internal UUID01a0ae71-f4a6-759e-b94f-6c904eaa3318 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026298
StatusPUBLIC

Content hashes

Canonical text5e5ad7ef89e49f4ea8c8fb24745fd20d0521a9d4597664746611d5a61e69d28d
Markdown44ee7cbf2d137af7e07169a61a76055c6f99e37cb56b239af8bf5cf8ebff0230
PDF
Publication page743d760d1eb0ba8225a78e2e1695dbb1ab584caa4d660f50869096d7ed90171c
Manifest989d4b767da019b074971adf5afbb01338a167cd56ff1ec5d400d01500807acb

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
SignatureH2jPng5XFEDqeZ9rVdS4IlLgQ9r/CCicnPGMawPUHxACTdA4DJpNOKkvDx/rHGNXhjumOi4Ziu0SJ+0tUlNHAA==
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

2026-09-17T11:44:14.901016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026298
observed 743d760d1eb0ba8225a78e2e1695dbb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:14.884537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026298/manifest.json
observed 989d4b767da019b074971adf5afbb013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:14.868193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026298/publication.md
observed 44ee7cbf2d137af7e07169a61a76055c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:14.851244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026298/publication.txt
observed 5e5ad7ef89e49f4ea8c8fb24745fd20d...
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.