Pith Number

pith:OIKDMR2O

pith:2011:OIKDMR2O66VYRIDHZLX74C6IQM

not attested not anchored not stored refs pending

The entanglement entropy of one-dimensional gases

Ettore Vicari, Mihail Mintchev, Pasquale Calabrese

arxiv:1105.4756 v2 · 2011-05-24 · cond-mat.stat-mech · cond-mat.quant-gas · 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{OIKDMR2O66VYRIDHZLX74C6IQM}

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	2026-05-18T04:18:45.970402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

721436474ef7ab88a067caeffe0bc8833d7dba199f03ab3a5c3cb2c29b44fd59

Aliases

arxiv: 1105.4756 · arxiv_version: 1105.4756v2 · doi: 10.48550/arxiv.1105.4756 · pith_short_12: OIKDMR2O66VY · pith_short_16: OIKDMR2O66VYRIDH · pith_short_8: OIKDMR2O

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/OIKDMR2O66VYRIDHZLX74C6IQM \
  | 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: 721436474ef7ab88a067caeffe0bc8833d7dba199f03ab3a5c3cb2c29b44fd59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d77f2a9c59d1d98c2d83a259fd880edb5fe77deabb2723124d7e621db844b0bc",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2011-05-24T13:09:56Z",
    "title_canon_sha256": "1c554e264f5862b4887320cd47aea70e20ce4b2854ec3167ff20c5d3e62a4397"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4756",
    "kind": "arxiv",
    "version": 2
  }
}