Pith Number

pith:42CUJ2X4

pith:2025:42CUJ2X4RWJZUY23QIIYR3P5XE

not attested not anchored not stored refs pending

Causality violation of Schr\"{o}dinger-Newton equation: direct test on the horizon?

Lajos Di\'osi

arxiv:2503.07458 v1 · 2025-03-10 · quant-ph · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{42CUJ2X4RWJZUY23QIIYR3P5XE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Ruling out nonlinear modifications of quantum theory with contextuality

Receipt and verification

First computed	2026-07-05T11:39:50.649910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e68544eafc8d939a635b821188edfdb9312b935ede4dda4a418d2c11804930f9

Aliases

arxiv: 2503.07458 · arxiv_version: 2503.07458v1 · doi: 10.48550/arxiv.2503.07458 · pith_short_12: 42CUJ2X4RWJZ · pith_short_16: 42CUJ2X4RWJZUY23 · pith_short_8: 42CUJ2X4

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/42CUJ2X4RWJZUY23QIIYR3P5XE \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: e68544eafc8d939a635b821188edfdb9312b935ede4dda4a418d2c11804930f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbdabfb5738e8e0fe4a8d1fffe4df80cf81b57a92a2bf94764bce85274cad592",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-03-10T15:38:03Z",
    "title_canon_sha256": "342f32c9ee6db9192f192b9b29e4466ec736ef9bf91ee59f92f5a7c995c1fd7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.07458",
    "kind": "arxiv",
    "version": 1
  }
}