Pith Number

pith:DXEMXHEO

pith:2013:DXEMXHEOJ5WPYPEUXZYSRRXDFC

not attested not anchored not stored refs pending

Equivalence of classicality and separability based on P phase-space representation of symmetric multiqubit states

A K Rajagopal, A R Usha Devi, H S Karthik, J Prabhu Tej, Sudha

arxiv:1306.2825 v1 · 2013-06-12 · 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{DXEMXHEOJ5WPYPEUXZYSRRXDFC}

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	2026-05-18T03:07:42.268359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1dc8cb9c8e4f6cfc3c94be7128c6e328a5d342b7d557d8d43cda44c57ff65156

Aliases

arxiv: 1306.2825 · arxiv_version: 1306.2825v1 · doi: 10.48550/arxiv.1306.2825 · pith_short_12: DXEMXHEOJ5WP · pith_short_16: DXEMXHEOJ5WPYPEU · pith_short_8: DXEMXHEO

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/DXEMXHEOJ5WPYPEUXZYSRRXDFC \
  | 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: 1dc8cb9c8e4f6cfc3c94be7128c6e328a5d342b7d557d8d43cda44c57ff65156

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e09ac7c650a3cc2c9aa777fd5dd5b4a6e37070230655efcefc77dae7b4d18f92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-06-12T13:37:27Z",
    "title_canon_sha256": "f78bd2435f0eaf7a4f7b032006c84edd538a81ec725bf5120c5435cb3a0ccce5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.2825",
    "kind": "arxiv",
    "version": 1
  }
}