Pith Number

pith:55QMXBL7

pith:2011:55QMXBL72GE2OMNUFAWEZNK7WB

not attested not anchored not stored refs pending

Dicke quantum spin glass of atoms and photons

Philipp Strack, Subir Sachdev

arxiv:1109.2119 v2 · 2011-09-09 · cond-mat.quant-gas · cond-mat.dis-nn · 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{55QMXBL72GE2OMNUFAWEZNK7WB}

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	2026-05-18T04:05:27.076389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef60cb857fd189a731b4282c4cb55fb047f404456de186e4b98243842e166684

Aliases

arxiv: 1109.2119 · arxiv_version: 1109.2119v2 · doi: 10.48550/arxiv.1109.2119 · pith_short_12: 55QMXBL72GE2 · pith_short_16: 55QMXBL72GE2OMNU · pith_short_8: 55QMXBL7

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/55QMXBL72GE2OMNUFAWEZNK7WB \
  | 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: ef60cb857fd189a731b4282c4cb55fb047f404456de186e4b98243842e166684

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4a374b7cb84382e482d4fc2c58a5555d8596fb9a18e4788aacf55baa2066f79",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2011-09-09T20:00:17Z",
    "title_canon_sha256": "b3e44452f983eccd4c1b97f273fb64905859eb7f6c1cf56e1789d604e3d92126"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2119",
    "kind": "arxiv",
    "version": 2
  }
}