OpenTechnical

OT-2026-000048237

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000048237) never changes.

Identity and time

Publication numberOT-2026-000048237 · never reused
Internal UUID01a0ae80-4de3-7b77-b13c-a677b78deb0e · 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-2026-000048237
StatusPUBLIC

Content hashes

Canonical text218563a1eec01acbf1bdd6b12af79d8ebb9bef2635cab3b69332e39524aac677
Markdown3046dc2559f8addfb5c96cca5275920b1266549a23e72bed33e9c962838e2b40
PDF
Publication page9cba4426ff97e2de8a4d15b2e5df380e73aab3880b2d2d3080d170712e82097d
Manifest1442e21ff88d60e410609e0927036ad0189e09629d6fa56f258b1bd776c82ea2

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
SignatureCaQ+mVOb3oaCzwjFHYGl77MZdiwJV22ZFe+b/78RzYd6ud7erVasBgbc6B40agkL4WMsn5ZAXZLUn8rjoeuPDg==
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

2026-09-17T11:04:47.828654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048237
observed 9cba4426ff97e2de8a4d15b2e5df380e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:47.808549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048237/manifest.json
observed 1442e21ff88d60e410609e0927036ad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:47.789804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048237/publication.md
observed 3046dc2559f8addfb5c96cca5275920b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:47.770366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048237/publication.txt
observed 218563a1eec01acbf1bdd6b12af79d8e...
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.