OpenTechnical

OT-2026-000050224

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000050224) never changes.

Identity and time

Publication numberOT-2026-000050224 · never reused
Internal UUID01a0ae82-5c46-7781-b850-4f25d44bdf9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050224
StatusPUBLIC

Content hashes

Canonical textfe2d57ada7fbd9e452460a37eb39b3fb0fcd9d0eb6f0b9b4592348f09686f5ff
Markdown0cdd733cc95866ca42182ff3110c3d88a79ddb15a0c60dfb365d1a106f842ab4
PDF
Publication page51828932e538f0beb4ecec1655b919b7bcc7df39ee35c04639452f0ad12ac699
Manifest688ebe9bfa697df8b91214a47fcc649be282e6676779cb0ca84ec7a3047d40eb

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
SignaturejjSzy7CRJ2tHhAlfflbUATbCdjjXdW7Mw5AEeVYWIEb2h2eaSEbGEmfR5X70uJikjpJ7NpPtTRj2tPwFFXqgAw==
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

2026-09-17T11:01:13.062916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050224
observed 51828932e538f0beb4ecec1655b919b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:13.044778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050224/manifest.json
observed 688ebe9bfa697df8b91214a47fcc649b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:13.026996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050224/publication.md
observed 0cdd733cc95866ca42182ff3110c3d88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:13.007698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050224/publication.txt
observed fe2d57ada7fbd9e452460a37eb39b3fb...
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.