Pith Number

pith:4Y47TOHO

pith:2025:4Y47TOHOOZLUN7BUSSTLOUL63W

not attested not anchored not stored refs pending

Entanglement entropy by tensor renormalization group approach

Daisuke Kadoh, Gota Tanaka, Shinji Takeda, Takahiro Hayazaki

arxiv:2502.02030 v2 · 2025-02-04 · hep-lat

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4Y47TOHOOZLUN7BUSSTLOUL63W}

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	2026-07-05T10:13:08.174037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e639f9b8ee765746fc3494a6b7517eddbf4fe12df9697e65e07e43c2cd1c9535

Aliases

arxiv: 2502.02030 · arxiv_version: 2502.02030v2 · doi: 10.48550/arxiv.2502.02030 · pith_short_12: 4Y47TOHOOZLU · pith_short_16: 4Y47TOHOOZLUN7BU · pith_short_8: 4Y47TOHO

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/4Y47TOHOOZLUN7BUSSTLOUL63W \
  | 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: e639f9b8ee765746fc3494a6b7517eddbf4fe12df9697e65e07e43c2cd1c9535

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e003ad90a4dfa5762354e0850428843cc9201744c036ac235448d231767765dc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-lat",
    "submitted_at": "2025-02-04T05:40:11Z",
    "title_canon_sha256": "d90d030b7a8e618d16f5c12029075cfc7f757d74fc6ab3cd22ecdcecfe7d2acb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.02030",
    "kind": "arxiv",
    "version": 2
  }
}