OpenTechnical

OT-2026-000025560

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000025560) never changes.

Identity and time

Publication numberOT-2026-000025560 · never reused
Internal UUID01a0ae71-5fa8-7225-9ddd-0f6430b85fdf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025560
StatusPUBLIC

Content hashes

Canonical textcd730258435d4b46a3a0dbd11a7d7d2197d2bbfbab55ed726549d4af586e3722
Markdown9a9c21e44b106773e42259071f65940b01da657bd2b7c5995b09179de95a370e
PDF
Publication page019b76035092c105371742472afed6d924c83f7a7e02e93b066140b90a9125d4
Manifestdfb07831b0127549974395a915f74219cafed6a8ed62dc2976262ae1a70da685

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
SignatureqfMrB3ITdW0qPvRN1XurkhhoV+jzQFAb4vIK0CdH5kAXt5se8HxfHU9cv//whYBZuzz2u8eSdzV2AACON7qHAg==
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

2026-09-17T11:47:42.812559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025560
observed 019b76035092c105371742472afed6d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:42.793047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025560/manifest.json
observed dfb07831b0127549974395a915f74219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:42.772547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025560/publication.md
observed 9a9c21e44b106773e42259071f65940b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:42.754112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025560/publication.txt
observed cd730258435d4b46a3a0dbd11a7d7d21...
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.