OpenTechnical

OT-2026-000081468

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000081468) never changes.

Identity and time

Publication numberOT-2026-000081468 · never reused
Internal UUID01a0ae96-f375-756e-8c8c-6dcf06e11b74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081468
StatusPUBLIC

Content hashes

Canonical text38aa4fd9a0e56dccce1ab6135e4fc3742a8db292dc5bc41c4bdde7156f18c368
Markdown616cc71d31eca1b72c0de888bb021acac794558f280ac87f2c2a14ef4654d14c
PDF
Publication page8de91f9067898d1c4e800ef5cb45ab019d7401da3e27e8c8a6a94741c0794b6a
Manifest2775fa69fd84f049b9b52e512e254f079941dfc397005b6ce8bbe4ffca118df8

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
SignatureZVpN9Jg4tBaRpGyyWPPgTitf4Gpd5P51eTUwZFrGyzz7kHgzrM5dX71dTkPFWo6BRLnxSgV/wbZG1NFlcGtnAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:01:37.975155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081468
observed 8de91f9067898d1c4e800ef5cb45ab01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:37.957698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081468/manifest.json
observed 2775fa69fd84f049b9b52e512e254f07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:37.938428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081468/publication.md
observed 616cc71d31eca1b72c0de888bb021aca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:37.920896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081468/publication.txt
observed 38aa4fd9a0e56dccce1ab6135e4fc374...
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.