OpenTechnical

OT-2026-000047294

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000047294) never changes.

Identity and time

Publication numberOT-2026-000047294 · never reused
Internal UUID01a0ae7f-3e56-7e20-be34-dd0bd04e4b3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047294
StatusPUBLIC

Content hashes

Canonical text5d88522754d319f62892bef7409e7ab0c9baa69eb8a23abe9be6df134733cf90
Markdown5eb3d35b35ade9694dc249aefb748d5c9b8634a169e693dc3dd70582ac054c8e
PDF
Publication pagef359075c211d2f501f0121e7208e2aa9981380d60ce88ae8041382395c29539e
Manifesteb4c3c784aab32a8b0a62c474e62a0eafbecc82211132d7389054bc82cc0f71b

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
SignaturenlkXr8j3jDCIMThQapUn2XpP/Zd1XCryyW/AFSqJQ2cb1iKYAJ1fgxFL3KNgaE7BSa4gmG2MXUOtyFK/pWPbBA==
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

2026-09-17T11:06:16.195275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047294
observed f359075c211d2f501f0121e7208e2aa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:16.177420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047294/manifest.json
observed eb4c3c784aab32a8b0a62c474e62a0ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:16.159223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047294/publication.md
observed 5eb3d35b35ade9694dc249aefb748d5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:16.141169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047294/publication.txt
observed 5d88522754d319f62892bef7409e7ab0...
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.