OpenTechnical

OT-2026-000045392

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000045392) never changes.

Identity and time

Publication numberOT-2026-000045392 · never reused
Internal UUID01a0ae7c-f76c-7cd8-900c-690778a627d6 · 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-2026-000045392
StatusPUBLIC

Content hashes

Canonical text48ce4ae32b96d373c8dbafc10c873e27ab196cb19e7c0f3de2015351978c7f00
Markdownc34069573debdfffa1b47301bbebc60a2764d38585e0f586130c7e54a6c6ca3b
PDF
Publication page8d694c6d5c2cbca02d04bfea57aacf2fcf415e1a1f458eba015302b0f77e7e68
Manifest48b1c7e7a89790df024ae7678a4c7be4cdbc3c13b97dc36a936446db56d765f7

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
SignatureH9rLsDSF039kqo42/jqSJSDNZLk5HgGZg5h8VZQuGSJb9Ib5mRhXARHppAmjuN2zgcli6rz0qBLm5wIwUvPrBQ==
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

2026-09-17T11:10:40.520792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045392
observed 8d694c6d5c2cbca02d04bfea57aacf2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:40.503093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045392/manifest.json
observed 48b1c7e7a89790df024ae7678a4c7be4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:40.482628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045392/publication.md
observed c34069573debdfffa1b47301bbebc60a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:40.462965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045392/publication.txt
observed 48ce4ae32b96d373c8dbafc10c873e27...
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.