OpenTechnical

OT-2026-000047627

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000047627) never changes.

Identity and time

Publication numberOT-2026-000047627 · never reused
Internal UUID01a0ae7f-3e5a-7beb-9d91-54fddae00385 · 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-2026-000047627
StatusPUBLIC

Content hashes

Canonical texta69008e1aea94456918ba84203fc0ce1823c713d35eec497058c5dacb22e5482
Markdown79651dd140187ed64e9e0588f726c803242216e2530f108d75f9e4421c16ebb2
PDF
Publication page543bb248a3b707d9941c79ee859aa95213fc3b9b1908f6a0bdc0a8efe976549e
Manifest062e7e9bfbf89208cb7846dc44ed235994a0cff0e0b8075027654fd69c26e8ec

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
Signature4XMyG0dLFmHgLBZ5WUZcvxNgizExUFvZA9nEslF6mScexcjQm5zSrTKL9MolbC20wxyT16GKwY9+H58KJlybAQ==
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

2026-09-17T11:06:46.270895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047627
observed 543bb248a3b707d9941c79ee859aa952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:46.254062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047627/manifest.json
observed 062e7e9bfbf89208cb7846dc44ed2359...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:46.236021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047627/publication.md
observed 79651dd140187ed64e9e0588f726c803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:46.217092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047627/publication.txt
observed a69008e1aea94456918ba84203fc0ce1...
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.