OpenTechnical

OT-2026-000042460

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, pulsed 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-2026-000042460) never changes.

Identity and time

Publication numberOT-2026-000042460 · never reused
Internal UUID01a0ae7a-c0cc-7280-b768-a51f415629d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042460
StatusPUBLIC

Content hashes

Canonical textd2181a54284984e17d37b3b06b525317c7537ca1dd85c680fc0df80967f570a7
Markdowna3aa96b9935efb5f5ae206221223ca8ab5a4d55c3e76fd05874339fcd0fc098f
PDF
Publication page2900335bcb64bad17366d4b23b63b21751cc0227b23559d88e3851ab3d2fb733
Manifesta2882ef43bf764a35d4d7d3d12362a5e418e022e82478fe6f652fdb58a08ba57

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
SignatureA7dStFyWjAJfcvCfGmw/2pgf8p9fPyrYSH2F6HQfYdBmS8KSpr8DXqOyKhNN3K5Uye54deyl9ONWDVgTbY1MBg==
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

2026-09-17T11:14:01.320537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042460
observed 2900335bcb64bad17366d4b23b63b217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:01.299454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042460/manifest.json
observed a2882ef43bf764a35d4d7d3d12362a5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:01.278226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042460/publication.md
observed a3aa96b9935efb5f5ae206221223ca8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:01.260622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042460/publication.txt
observed d2181a54284984e17d37b3b06b525317...
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.