OpenTechnical

OT-2026-000010413

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, supply line 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-2026-000010413) never changes.

Identity and time

Publication numberOT-2026-000010413 · never reused
Internal UUID01a0ae6c-0ee6-7742-971a-8ff47cc95317 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010413
StatusPUBLIC

Content hashes

Canonical text0f0e50dd4fb08eed8b4cae62d15a47880018becf49ef22d595eb342555ee5269
Markdown9748896b3957f822481d057bb4fc728d1fb54d8b99aea715d9b688874a667df8
PDF
Publication page81d3f635a57cc412e90f2e229231b9bc2284058f3df1ee4699fdf486157cedd4
Manifest7dad53ef3499cca11b3ea808b071acfeabea760315d38fb7a298a803102bd156

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
SignatureaRjG0Td1hNmg33TPpxvDbU9FDKkNuJpv3v/ou399h7Elsvhwxmdu3hchowiKLvBwMNiocI6q1gHvbHW1L302AA==
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

2026-09-17T12:14:32.292497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010413
observed 81d3f635a57cc412e90f2e229231b9bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:32.273041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010413/manifest.json
observed 7dad53ef3499cca11b3ea808b071acfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:32.252847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010413/publication.md
observed 9748896b3957f822481d057bb4fc728d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:32.233931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010413/publication.txt
observed 0f0e50dd4fb08eed8b4cae62d15a4788...
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.