OpenTechnical

OT-2026-000029482

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum 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-2026-000029482) never changes.

Identity and time

Publication numberOT-2026-000029482 · never reused
Internal UUID01a0ae73-5e21-78f5-b940-e0843c58b46a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029482
StatusPUBLIC

Content hashes

Canonical textd30db335e896b4fc83712355bbc5540d3845343bce34daee21055da854efec61
Markdown55d5d20ed5dcdda0525fa3c475c87f9677460c69151b523c3859ae670f6f8741
PDF
Publication page7bf9d9ee9003afb3e1ca5365a3f5f6f782566d13affe896bb50d9a844b47255a
Manifestf9fcdcc08179f5e963b5d1cf69e44b6e6ef75206c935b4bac8ac2cd10d59e0d5

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
SignatureTfPAEoI+K+SBz9xKgw6Tu+RPe1wSPeUduk2IYYEFr0Pt/WZXzYxVrK3LISJ0c+1+t6r8ZNcr82bq4qSJ8hZfDg==
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

2026-09-17T11:39:06.422528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029482
observed 7bf9d9ee9003afb3e1ca5365a3f5f6f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:06.404350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029482/manifest.json
observed f9fcdcc08179f5e963b5d1cf69e44b6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:06.387621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029482/publication.md
observed 55d5d20ed5dcdda0525fa3c475c87f96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:06.352341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029482/publication.txt
observed d30db335e896b4fc83712355bbc5540d...
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.