Pith Number

pith:EL7VAT34

pith:2009:EL7VAT34QT3HC5PONUSDH54UDG

not attested not anchored not stored refs pending

Reduced density matrices and entanglement entropy in free lattice models

Ingo Peschel, Viktor Eisler

arxiv:0906.1663 v3 · 2009-06-09 · cond-mat.stat-mech · 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{EL7VAT34QT3HC5PONUSDH54UDG}

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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

2 papers in Pith

Stabilizer-Shannon Renyi Equivalence: Exact Results for Quantum Critical Chains

Numerical approach to the modular operator for fermionic systems

Receipt and verification

First computed	2026-05-18T02:13:21.342670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22ff504f7c84f67175ee6d2433f794199954db7320d8425c459e2ba26c15d1d7

Aliases

arxiv: 0906.1663 · arxiv_version: 0906.1663v3 · doi: 10.48550/arxiv.0906.1663 · pith_short_12: EL7VAT34QT3H · pith_short_16: EL7VAT34QT3HC5PO · pith_short_8: EL7VAT34

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/EL7VAT34QT3HC5PONUSDH54UDG \
  | 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: 22ff504f7c84f67175ee6d2433f794199954db7320d8425c459e2ba26c15d1d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d4a392121af094631798b3af56cc6e53afc73f3620bffcb89f51ebc8aa3a3bc",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2009-06-09T08:39:56Z",
    "title_canon_sha256": "f166f791ce089c2ff32d7361e8b7b53aeec4fa841d121cfb20c01840ed314707"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.1663",
    "kind": "arxiv",
    "version": 3
  }
}