Pith Number

pith:6KLK3DMB

pith:2008:6KLK3DMBSKNWFF4AFLYL2MSD5X

not attested not anchored not stored refs pending

Area laws for the entanglement entropy - a review

J. Eisert, M.B. Plenio, M. Cramer

arxiv:0808.3773 v4 · 2008-08-28 · quant-ph · cond-mat.other · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6KLK3DMBSKNWFF4AFLYL2MSD5X}

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.

Cited by

17 papers in Pith

Entanglement Certification $-$ From Theory to Experiment

Separability and entanglement of resonating valence-bond states

Estimating the best separable approximation of non-pure spin-squeezed states

Quantum entanglement between partons in a strongly coupled quantum field theory

Entangling Power: A Probe of Symmetry and Integrability in Quantum Many-Body Systems

Receipt and verification

First computed	2026-05-18T04:32:01.878635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f296ad8d81929b6297802af0bd3243edc6d471af569da915fc4ae7d2a01dc6fe

Aliases

arxiv: 0808.3773 · arxiv_version: 0808.3773v4 · doi: 10.48550/arxiv.0808.3773 · pith_short_12: 6KLK3DMBSKNW · pith_short_16: 6KLK3DMBSKNWFF4A · pith_short_8: 6KLK3DMB

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/6KLK3DMBSKNWFF4AFLYL2MSD5X \
  | 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: f296ad8d81929b6297802af0bd3243edc6d471af569da915fc4ae7d2a01dc6fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9cfd9bc46dfe76c911179edf52b92242adb8c9552ebc2f9a0370b5912277f33",
    "cross_cats_sorted": [
      "cond-mat.other",
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-08-28T09:02:07Z",
    "title_canon_sha256": "ba729f6c66af72f97eb17ce7a5dc66418d96a54c77c72e172ecf2f39776534e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.3773",
    "kind": "arxiv",
    "version": 4
  }
}