Pith Number

pith:V5WMHT3G

pith:2015:V5WMHT3GPCUIYTXM4G7ZXYQHRK

not attested not anchored not stored refs pending

Entanglement entropies of the $J_1 - J_2$ Heisenberg antiferromagnet on the square lattice

David J. Luitz, Fabien Alet, Nicolas Laflorencie

arxiv:1506.03703 v1 · 2015-06-11 · cond-mat.str-el · 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{V5WMHT3GPCUIYTXM4G7ZXYQHRK}

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	2026-05-18T01:33:00.205019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af6cc3cf6678a88c4eece1bf9be2078a835e930a559b6cb105ef893db1a5d491

Aliases

arxiv: 1506.03703 · arxiv_version: 1506.03703v1 · doi: 10.48550/arxiv.1506.03703 · pith_short_12: V5WMHT3GPCUI · pith_short_16: V5WMHT3GPCUIYTXM · pith_short_8: V5WMHT3G

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/V5WMHT3GPCUIYTXM4G7ZXYQHRK \
  | 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: af6cc3cf6678a88c4eece1bf9be2078a835e930a559b6cb105ef893db1a5d491

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "340f256db5e7711e37e2a93c3c2a8b200b7028b05d30938451314ddc2d3b5e8c",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2015-06-11T15:18:04Z",
    "title_canon_sha256": "c8a8f691cb2dc3b747b92033015373b846d388f1f74a678f6e7c9aa73fee9cfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.03703",
    "kind": "arxiv",
    "version": 1
  }
}