OpenTechnical

OT-2026-000097515

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000097515) never changes.

Identity and time

Publication numberOT-2026-000097515 · never reused
Internal UUID01a0aea1-55b4-7066-ab96-789b1334618e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097515
StatusPUBLIC

Content hashes

Canonical text0e111e9c8db8a41b0c795bc20bc09ec7bccb8db45059290629aea6fc4cf60dc0
Markdown9a9045f68d8d4e00f8fa7b1e5c9868625b1279487e0b23119310967c04bf4754
PDF
Publication page254a36e24fbf89d48cdc311d6bc0a9fe26b97d297c27cfc1269f5bd02d152de5
Manifest21c6999874f2bf372c4f5d9e97bfa5f20eac31b03ab6e21f5bef81ca70f1cff6

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
SignatureYsNh8gunDVg5vn34M5iPNn7pnlt5L8XCfzZOSfYrecIyHSomg/5a37Vi+eXqlmDeUIXQ+KuglysQ0n22YUvTAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:23.502615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097515
observed 254a36e24fbf89d48cdc311d6bc0a9fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:23.484899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097515/manifest.json
observed 21c6999874f2bf372c4f5d9e97bfa5f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:23.468143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097515/publication.md
observed 9a9045f68d8d4e00f8fa7b1e5c986862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:23.449802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097515/publication.txt
observed 0e111e9c8db8a41b0c795bc20bc09ec7...
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.