Pith Number

pith:WPY7E5FQ

pith:2013:WPY7E5FQE6NWERDI2L3WHVEP5X

not attested not anchored not stored refs pending

Quantum discord determines the interferometric power of quantum states

Alexandre M. Souza, Davide Girolami, Diogo O. Soares-Pinto, Gerardo Adesso, Ivan S. Oliveira, Jefferson G. Filgueiras, Roberto S. Sarthour, Tommaso Tufarelli, Vittorio Giovannetti

arxiv:1309.1472 v4 · 2013-09-05 · quant-ph · cond-mat.stat-mech · math-ph · math.MP · nucl-ex · physics.data-an

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

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	2026-05-18T02:50:59.619761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3f1f274b0279b624468d2f763d48fedecf1cedc5a94b7c0abfe580894a0fd16

Aliases

arxiv: 1309.1472 · arxiv_version: 1309.1472v4 · doi: 10.48550/arxiv.1309.1472 · pith_short_12: WPY7E5FQE6NW · pith_short_16: WPY7E5FQE6NWERDI · pith_short_8: WPY7E5FQ

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/WPY7E5FQE6NWERDI2L3WHVEP5X \
  | 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: b3f1f274b0279b624468d2f763d48fedecf1cedc5a94b7c0abfe580894a0fd16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf3e388cd2c3f8af1f14b5cb51517faa046bf3e84ff3df53710ce6ec46f96c22",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "math-ph",
      "math.MP",
      "nucl-ex",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-09-05T20:00:10Z",
    "title_canon_sha256": "3dd80c97d86819a502a5566468bdb8ddcb3992445f9b9ba246ebf44761feef8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1472",
    "kind": "arxiv",
    "version": 4
  }
}