OpenTechnical

OT-2026-000048296

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000048296) never changes.

Identity and time

Publication numberOT-2026-000048296 · never reused
Internal UUID01a0ae80-4de3-7e7d-b968-22e3bb0f67b3 · 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-2026-000048296
StatusPUBLIC

Content hashes

Canonical text6cfa42a9d7d77ea301e216d944ae83e719f4ddf8c346d80aae139efa0f82c289
Markdown0c5fb980bd687334d153820073a2dcfb61ba9f2e3b4828ef6159331aec1ca177
PDF
Publication page157f14d67ab013ed39fc33ac9d39ef957606b789efcfaa52b73059c640b2a547
Manifest62a8c4de6e95c6bb7616c4a24573bea567be5bea52f3ab8e2645a856d339ebda

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
Signatureub2nH9bw4qyWigL7zhOTvSvme/ttbMJGi6zlHNHfOOqaDJNwH0RazY/NO7ZJt36/XfHfm1DvnZ4BCWW2P0FdDg==
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

2026-09-17T11:04:53.077315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048296
observed 157f14d67ab013ed39fc33ac9d39ef95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:53.056724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048296/manifest.json
observed 62a8c4de6e95c6bb7616c4a24573bea5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:53.036732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048296/publication.md
observed 0c5fb980bd687334d153820073a2dcfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:53.016826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048296/publication.txt
observed 6cfa42a9d7d77ea301e216d944ae83e7...
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.