Pith Number

pith:UJRV5MJP

pith:2010:UJRV5MJPKLPEZGEGH47NQY2LM7

not attested not anchored not stored refs pending

Entanglement entropy in quantum spin chains with broken reflection symmetry

Zoltan Kadar, Zoltan Zimboras

arxiv:1004.3112 v4 · 2010-04-19 · quant-ph · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UJRV5MJPKLPEZGEGH47NQY2LM7}

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	2026-05-18T03:23:48.825222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2635eb12f52de4c98863f3ed8634b67e0b9fb512229f0800dadb7b52866c526

Aliases

arxiv: 1004.3112 · arxiv_version: 1004.3112v4 · doi: 10.48550/arxiv.1004.3112 · pith_short_12: UJRV5MJPKLPE · pith_short_16: UJRV5MJPKLPEZGEG · pith_short_8: UJRV5MJP

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/UJRV5MJPKLPEZGEGH47NQY2LM7 \
  | 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: a2635eb12f52de4c98863f3ed8634b67e0b9fb512229f0800dadb7b52866c526

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6693f81400c44342eadb76042f7ff9ecff58565ba13b93b4cc33f1a1fc2a6ee8",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-04-19T07:32:14Z",
    "title_canon_sha256": "23d0379aea6fb369ae3e765522f2e604d4e8b2060fb33c78d4bdabd9761d360f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.3112",
    "kind": "arxiv",
    "version": 4
  }
}