Pith Number

pith:TLW7R72D

pith:2023:TLW7R72DE5HBHRGNPESHS3FRON

not attested not anchored not stored refs pending

Stable computation of entanglement entropy for 2D interacting fermion systems

Gaopei Pan, Jonathan D'Emidio, Weilun Jiang, Yang Qi, Yuan Da Liao, Zi Yang Meng

arxiv:2303.14326 v3 · 2023-03-25 · cond-mat.str-el · cond-mat.stat-mech · math-ph · math.MP · physics.comp-ph · 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{TLW7R72DE5HBHRGNPESHS3FRON}

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	2026-07-05T06:45:34.695831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9aedf8ff43274e13c4cd7924796cb1734e59e1edc0e6c5c48c854f4e10afab65

Aliases

arxiv: 2303.14326 · arxiv_version: 2303.14326v3 · doi: 10.48550/arxiv.2303.14326 · pith_short_12: TLW7R72DE5HB · pith_short_16: TLW7R72DE5HBHRGN · pith_short_8: TLW7R72D

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/TLW7R72DE5HBHRGNPESHS3FRON \
  | 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: 9aedf8ff43274e13c4cd7924796cb1734e59e1edc0e6c5c48c854f4e10afab65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f896b2ab3e478a996db9b6833d71d321442142e627d7a22895820e2a430e3397",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "math-ph",
      "math.MP",
      "physics.comp-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2023-03-25T01:56:09Z",
    "title_canon_sha256": "e5efe7f9f30e6e3bb418de019e26afd1220e41295d1b77a467d23bd04c34c49a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.14326",
    "kind": "arxiv",
    "version": 3
  }
}