Pith Number

pith:YQLEFYC6

pith:2020:YQLEFYC66WJJCPMBIQ3MFANJ6S

not attested not anchored not stored refs pending

Entanglement Hamiltonian of Interacting Systems: Local Temperature Approximation and Beyond

Abolhassan Vaezi, Hanieh Najafzadeh, Mahdieh Pourjafarabadi, Mohammad-Sadegh Vaezi

arxiv:2012.05248 v2 · 2020-12-09 · cond-mat.str-el · cond-mat.stat-mech · 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{YQLEFYC66WJJCPMBIQ3MFANJ6S}

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	2026-07-05T02:21:54.153749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c41642e05ef592913d814436c281a9f48209e224092cc4dfde6afd2307dc0386

Aliases

arxiv: 2012.05248 · arxiv_version: 2012.05248v2 · doi: 10.48550/arxiv.2012.05248 · pith_short_12: YQLEFYC66WJJ · pith_short_16: YQLEFYC66WJJCPMB · pith_short_8: YQLEFYC6

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/YQLEFYC66WJJCPMBIQ3MFANJ6S \
  | 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: c41642e05ef592913d814436c281a9f48209e224092cc4dfde6afd2307dc0386

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65a27aa9e543f3e9097df9df27c493362b2c5c48e42ab63312d1228654115c23",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "physics.comp-ph",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2020-12-09T19:00:02Z",
    "title_canon_sha256": "97e19ce67e374e6460b3a0d4684c71d77384a29621bca7386eb7d1cfc6b8c139"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.05248",
    "kind": "arxiv",
    "version": 2
  }
}