Pith Number

pith:LX6YFFEW

pith:2025:LX6YFFEWZCUK3UIFCK6FM3RTEU

not attested not anchored not stored refs pending

Mixed State Entanglement Via the Cauchy-Schwarz Inequality

Chern Chuang, Nishaant Jacobus, Paul Brumer

arxiv:2508.00334 v1 · 2025-08-01 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LX6YFFEWZCUK3UIFCK6FM3RTEU}

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.

Receipt and verification

First computed	2026-07-05T11:46:53.694894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5dfd829496c8a8add10512bc566e33253346c3573caa8fa7976dbc2681cd4958

Aliases

arxiv: 2508.00334 · arxiv_version: 2508.00334v1 · doi: 10.48550/arxiv.2508.00334 · pith_short_12: LX6YFFEWZCUK · pith_short_16: LX6YFFEWZCUK3UIF · pith_short_8: LX6YFFEW

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/LX6YFFEWZCUK3UIFCK6FM3RTEU \
  | 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: 5dfd829496c8a8add10512bc566e33253346c3573caa8fa7976dbc2681cd4958

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd3ce409b2de369106f59b5579e151aee1c8d02d35906959f36a54b078a0cafb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-08-01T05:52:36Z",
    "title_canon_sha256": "61c6ba862a752474cf34867352a574f4cb2e8b39b71b2ef8e0843d9769106e53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.00334",
    "kind": "arxiv",
    "version": 1
  }
}