OpenTechnical

OT-2026-000048404

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold 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-2026-000048404) never changes.

Identity and time

Publication numberOT-2026-000048404 · never reused
Internal UUID01a0ae80-4de4-7140-b42e-598c4bad20ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048404
StatusPUBLIC

Content hashes

Canonical text66868960efb5487c1f64c038d32c2dccee88fae427137dc351cd5a0b83e80c99
Markdown704dcc1d179618644b3855e996dd470047479263d9248de82fd220b6399bd960
PDF
Publication pageecefd826e9e9e9516c61e32b619a55c8fbd455406e9d5bce30e0ebc8b9a8afba
Manifest8f4b117cbb6e9222cf55a9b55b4b15dce318a7868a2ce27cbd8dbc919ab1129a

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
Signature5730BJ9GNXw/ruJbkXfgqBgBLevCBa7yjNkqv76F4LLCq7ffePd67ckpaoEjZsZjyqQXMeTU41HLMDL0HdJ5BQ==
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

2026-09-17T11:05:02.574826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048404
observed ecefd826e9e9e9516c61e32b619a55c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:02.557271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048404/manifest.json
observed 8f4b117cbb6e9222cf55a9b55b4b15dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:02.540564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048404/publication.md
observed 704dcc1d179618644b3855e996dd4700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:02.513793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048404/publication.txt
observed 66868960efb5487c1f64c038d32c2dcc...
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.