OpenTechnical

OT-2026-000048245

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-2026-000048245) never changes.

Identity and time

Publication numberOT-2026-000048245 · never reused
Internal UUID01a0ae80-4de3-73af-9ed9-22974f9354ae · 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-2026-000048245
StatusPUBLIC

Content hashes

Canonical texteac8e087c04128b599c94a1a1cf29f8f0c1b8b8753eeef538d90959c21b14630
Markdownab75d7fd84a90ce676c264239eefcf97e90b9fea594039ba1f5f05e028956a35
PDF
Publication page7a494253cbfb1600c9a7f04ec5ed7504e4d77b8c9f306a2fa347890bd2ca8738
Manifest783f3afaaa2602baced5c6fd4f82faf495f3f760a96f9e5e2906bb2254a7914e

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
SignaturexWUoAalnb0jZUP6rFblYEWHVqXbks3CfnUzS7BjcWZmqlpk+fC31lZjpwJD1ZBeQ6SIWFrDI0Kl+UcjBY6cjCg==
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

2026-09-17T11:04:48.585919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048245
observed 7a494253cbfb1600c9a7f04ec5ed7504...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:48.567096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048245/manifest.json
observed 783f3afaaa2602baced5c6fd4f82faf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:48.546327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048245/publication.md
observed ab75d7fd84a90ce676c264239eefcf97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:48.526195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048245/publication.txt
observed eac8e087c04128b599c94a1a1cf29f8f...
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.