OpenTechnical

OT-2026-000012670

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000012670) never changes.

Identity and time

Publication numberOT-2026-000012670 · never reused
Internal UUID01a0ae6d-5562-75f3-8895-26c6a4d2e072 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012670
StatusPUBLIC

Content hashes

Canonical text988670ed8a370be430175d3641efb8a710a0d3f8d4ffa5f0e8402bd8da1fd9c4
Markdown6c53558183ffffd47a5e4033ee09c42e75afab92f836abe7e347b9bf3aa70035
PDF
Publication page4961adb4e4a9ac37a603d10289e62f4ff873ddcfcf5aedfde1f8cdc413c47d59
Manifest25b0bd8bba936a4b2d075d14eec19edea6c651dc9fc42e920381b115c65a757d

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
SignaturesGoqR4UMEU1efpyAsYKj0pGd9ecBeTomZQFX6pO7iwzjwz4o50h/tRCbu8mutzdzbHxO8GXmBtqY6kpVvghYDg==
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

2026-09-17T12:10:18.863577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012670
observed 4961adb4e4a9ac37a603d10289e62f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:18.846923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012670/manifest.json
observed 25b0bd8bba936a4b2d075d14eec19ede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:18.827587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012670/publication.md
observed 6c53558183ffffd47a5e4033ee09c42e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:18.809121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012670/publication.txt
observed 988670ed8a370be430175d3641efb8a7...
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.