Pith Number

pith:LGQKHY5O

pith:2015:LGQKHY5O7OV5P4MLPTVIMFCMMX

not attested not anchored not stored refs pending

Entanglement entropy across the superfluid-insulator transition : a signature of bosonic criticality

Ir\'en\'ee Fr\'erot, Tommaso Roscilde

arxiv:1512.00805 v2 · 2015-12-02 · cond-mat.str-el · cond-mat.quant-gas · 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{LGQKHY5O7OV5P4MLPTVIMFCMMX}

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	2026-05-18T01:14:44.560598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59a0a3e3aefbabd7f18b7cea86144c65ff0eaaacde5d3e961dc5e5f84b3549c0

Aliases

arxiv: 1512.00805 · arxiv_version: 1512.00805v2 · doi: 10.48550/arxiv.1512.00805 · pith_short_12: LGQKHY5O7OV5 · pith_short_16: LGQKHY5O7OV5P4ML · pith_short_8: LGQKHY5O

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/LGQKHY5O7OV5P4MLPTVIMFCMMX \
  | 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: 59a0a3e3aefbabd7f18b7cea86144c65ff0eaaacde5d3e961dc5e5f84b3549c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dec38e3a0efea53670764120d6d5c53b02d8a7e87f6c801980e0e46154216af",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "cond-mat.stat-mech",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2015-12-02T18:36:15Z",
    "title_canon_sha256": "98eed46104eef1a30e8ed5df10f9a1327f5ec1729e60c776f393509afb138b06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.00805",
    "kind": "arxiv",
    "version": 2
  }
}