Pith Number

pith:Z7RUVFDW

pith:2015:Z7RUVFDWVMOM4OOTAZKJGU2HBM

not attested not anchored not stored refs pending

Entanglement entropy and negativity of disjoint intervals in CFT: Some numerical extrapolations

Andrea Coser, Cristiano De Nobili, Erik Tonni

arxiv:1501.04311 v1 · 2015-01-18 · cond-mat.stat-mech · 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{Z7RUVFDWVMOM4OOTAZKJGU2HBM}

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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

1 paper in Pith

Lectures on entanglement entropy in field theory and holography

Receipt and verification

First computed	2026-05-18T01:46:13.701707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfe34a9476ab1cce39d306549353470b1775403e7f0b8bf6f88219e430c39e86

Aliases

arxiv: 1501.04311 · arxiv_version: 1501.04311v1 · doi: 10.48550/arxiv.1501.04311 · pith_short_12: Z7RUVFDWVMOM · pith_short_16: Z7RUVFDWVMOM4OOT · pith_short_8: Z7RUVFDW

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/Z7RUVFDWVMOM4OOTAZKJGU2HBM \
  | 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: cfe34a9476ab1cce39d306549353470b1775403e7f0b8bf6f88219e430c39e86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4e375a8e9a0ccac1b2175ebcb56c2def0b8d80c36bbbc0047e0b3f05b8218ea",
    "cross_cats_sorted": [
      "hep-th",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2015-01-18T15:08:44Z",
    "title_canon_sha256": "b8c2271d842901949024d71f3226209532856ebfb7ac1e6fc64c3be497fa4082"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04311",
    "kind": "arxiv",
    "version": 1
  }
}