Pith Number

pith:MPXJQBQH

pith:2014:MPXJQBQHMN2GRKGHGGVKLAYYVD

not attested not anchored not stored refs pending

Random matrices and entanglement entropy of trapped Fermi gases

Pasquale Calabrese, Pierre Le Doussal, Satya N. Majumdar

arxiv:1411.4421 v2 · 2014-11-17 · 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{MPXJQBQHMN2GRKGHGGVKLAYYVD}

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	2026-05-18T02:29:54.677882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63ee980607637468a8c731aaa58318a8e598855cc6c23eac9fb6dc7c0a99c15c

Aliases

arxiv: 1411.4421 · arxiv_version: 1411.4421v2 · doi: 10.48550/arxiv.1411.4421 · pith_short_12: MPXJQBQHMN2G · pith_short_16: MPXJQBQHMN2GRKGH · pith_short_8: MPXJQBQH

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/MPXJQBQHMN2GRKGHGGVKLAYYVD \
  | 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: 63ee980607637468a8c731aaa58318a8e598855cc6c23eac9fb6dc7c0a99c15c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f328bcd951e275e55a028dd7f1ae281613751ef987bb001d6844e6a19f071a76",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2014-11-17T10:25:08Z",
    "title_canon_sha256": "774f287d582531e108ae31a1bc90c316b60ff7afd61bf61ef69b6a886c1aaa22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.4421",
    "kind": "arxiv",
    "version": 2
  }
}