OpenTechnical

OT-2026-000045188

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000045188) never changes.

Identity and time

Publication numberOT-2026-000045188 · never reused
Internal UUID01a0ae7c-f769-724a-8b5c-f92f81e839f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045188
StatusPUBLIC

Content hashes

Canonical text0bace26c2671365f18f797b3ea9b3800efce7ad5e37cab868634589aaf9e1645
Markdown3338fd0ca8ffea2070b33918713f60444299fe83fcaaaa48eac8127673569570
PDF
Publication pageabbf77ec59aa56e8a5cdda0b0f2bc463b8edf84c11352a9db68d124bfd5b8aee
Manifest295123d9cea4e10578fbeea9162def60b498647b9e2ab670e85e4c95fe8cbde9

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
SignatureD9Dwr+6xLce6PjF58Whrhni4TplkTPYuJqXcc6RpjwkODovViglf1l/dfAlM00X7TH1j4b5T9ONOt6X1yw1XBg==
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

2026-09-17T11:10:21.594619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045188
observed abbf77ec59aa56e8a5cdda0b0f2bc463...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:21.573567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045188/manifest.json
observed 295123d9cea4e10578fbeea9162def60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:21.553822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045188/publication.md
observed 3338fd0ca8ffea2070b33918713f6044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:21.533953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045188/publication.txt
observed 0bace26c2671365f18f797b3ea9b3800...
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.