OpenTechnical

OT-2026-000039904

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000039904) never changes.

Identity and time

Publication numberOT-2026-000039904 · never reused
Internal UUID01a0ae78-d8d6-796c-b6eb-6ac29328c759 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039904
StatusPUBLIC

Content hashes

Canonical text814080ce20fe4473bebcf257360aef23e6ff818f390ce6923b54e90583c61416
Markdowne7725e8f2b13754d82f9898810f9f2bffc5b445b55994a8ace5b51c0635bf933
PDF
Publication page896469c813aa2d0b068abc09da3554594e9f0d742833cdab4eedcb9561e4377c
Manifeste00f0085369075b326201735101a0a848b4adbd42d2f91423dba66817dcfd599

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
SignatureYguXB9c5akgwB5XoPvT7tdLkwXXowQ1umq+Ktgxg8GSp21Rh41aXubnz8Ynzk8vUoo4GdsW9v/dFd9ozdNNbDw==
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

2026-09-17T11:20:11.788866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039904
observed 896469c813aa2d0b068abc09da355459...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.769451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039904/manifest.json
observed e00f0085369075b326201735101a0a84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.749354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039904/publication.md
observed e7725e8f2b13754d82f9898810f9f2bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.730561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039904/publication.txt
observed 814080ce20fe4473bebcf257360aef23...
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.