Pith Number

pith:2VO373QR

pith:2020:2VO373QRJ2WKLAIC65NCRU7XG3

not attested not anchored not stored refs pending

Entanglement Entropy of Fermions from Wigner Functions: Excited States and Open Quantum Systems

Rajdeep Sensarma, Saranyo Moitra

arxiv:2006.16271 v1 · 2020-06-29 · 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{2VO373QRJ2WKLAIC65NCRU7XG3}

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	2026-07-05T02:02:39.354307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d55dbfee114eaca58102f75a28d3f736d48aae045e0dde372aadb7af64b9a0ab

Aliases

arxiv: 2006.16271 · arxiv_version: 2006.16271v1 · doi: 10.48550/arxiv.2006.16271 · pith_short_12: 2VO373QRJ2WK · pith_short_16: 2VO373QRJ2WKLAIC · pith_short_8: 2VO373QR

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/2VO373QRJ2WKLAIC65NCRU7XG3 \
  | 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: d55dbfee114eaca58102f75a28d3f736d48aae045e0dde372aadb7af64b9a0ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2edd2305ab094025ef74eef1fcec64135b4e1d465bd432382d9bd365b15aaa90",
    "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": "2020-06-29T18:00:36Z",
    "title_canon_sha256": "3128346da63612ad13a322a19347d2fa5fa8e33cb9ea9bd71fcca17ecc821f64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.16271",
    "kind": "arxiv",
    "version": 1
  }
}