Pith Number

pith:PDWPACNU

pith:2025:PDWPACNUFNFH2C4P2BSI6QPXKG

not attested not anchored not stored refs pending

Untwisted and Twisted R\'enyi Negativities: Toward a R\'enyi Proxy for Logarithmic Negativity in Fermionic Systems

Fo-Hong Wang, Xiao Yan Xu

arxiv:2503.07731 v2 · 2025-03-10 · cond-mat.str-el · hep-lat · 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{PDWPACNUFNFH2C4P2BSI6QPXKG}

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	2026-07-05T11:53:00.012095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78ecf009b42b4a7d0b8fd0648f41f751abb1d283ad8258fe586047dc0af9ca25

Aliases

arxiv: 2503.07731 · arxiv_version: 2503.07731v2 · doi: 10.48550/arxiv.2503.07731 · pith_short_12: PDWPACNUFNFH · pith_short_16: PDWPACNUFNFH2C4P · pith_short_8: PDWPACNU

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/PDWPACNUFNFH2C4P2BSI6QPXKG \
  | 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: 78ecf009b42b4a7d0b8fd0648f41f751abb1d283ad8258fe586047dc0af9ca25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bbae99ee37b2809ac2b951a4a3a39841cdd48c3b05a6efb5f47f0858831ef2c",
    "cross_cats_sorted": [
      "hep-lat",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2025-03-10T18:00:05Z",
    "title_canon_sha256": "18fbe7b0f62e93021c0a205f95f0ea59d98dd4e2aaf80851b5c7c721e8f32087"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.07731",
    "kind": "arxiv",
    "version": 2
  }
}