Pith Number

pith:KLO6GNES

pith:2009:KLO6GNESYRPSOOGV5MPG4FWNRA

not attested not anchored not stored refs pending

Entanglement entropy of two disjoint blocks in critical Ising models

Luca Tagliacozzo, Pasquale Calabrese, Vincenzo Alba

arxiv:0910.0706 v2 · 2009-10-05 · cond-mat.stat-mech · cond-mat.str-el · hep-th · 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{KLO6GNESYRPSOOGV5MPG4FWNRA}

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	2026-07-04T17:22:11.122419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52dde33492c45f2738d5eb1e6e16cd880cf8d8c9cedf4250f5d7ec54a3556d77

Aliases

arxiv: 0910.0706 · arxiv_version: 0910.0706v2 · doi: 10.48550/arxiv.0910.0706 · pith_short_12: KLO6GNESYRPS · pith_short_16: KLO6GNESYRPSOOGV · pith_short_8: KLO6GNES

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/KLO6GNESYRPSOOGV5MPG4FWNRA \
  | 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: 52dde33492c45f2738d5eb1e6e16cd880cf8d8c9cedf4250f5d7ec54a3556d77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "695b9bb3671c360331509e71a6e0529dc9ac91be085bc798d4382faf2d2220b4",
    "cross_cats_sorted": [
      "cond-mat.str-el",
      "hep-th",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2009-10-05T10:02:14Z",
    "title_canon_sha256": "6b1347b933176d326e8ef65acc62c18fb7bd2bff7ea0205e05255a5534be66b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0706",
    "kind": "arxiv",
    "version": 2
  }
}