Pith Number

pith:IRWZIKWR

pith:2026:IRWZIKWRSEMTB2DATI45FGYM5B

not attested not anchored not stored refs pending

Computable measures of fermionic non-Gaussianity from the covariance matrix

Barbara Kraus, Bernhard Jobst, Frank Pollmann, Marc Langer, Poetri Sonya Tarabunga, Ra\'ul Morral-Yepes, Sheng-Hsuan Lin

arxiv:2607.02242 v1 · 2026-07-02 · quant-ph · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IRWZIKWRSEMTB2DATI45FGYM5B}

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	2026-07-03T01:17:46.212660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

446d942ad1911930e8609a39d29b0ce873dcf8174675504c9a24f83951c04af5

Aliases

arxiv: 2607.02242 · arxiv_version: 2607.02242v1 · doi: 10.48550/arxiv.2607.02242 · pith_short_12: IRWZIKWRSEMT · pith_short_16: IRWZIKWRSEMTB2DA · pith_short_8: IRWZIKWR

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/IRWZIKWRSEMTB2DATI45FGYM5B \
  | 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: 446d942ad1911930e8609a39d29b0ce873dcf8174675504c9a24f83951c04af5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e71b09c68ebadd653db0f6da464b1ffb8bee71ea3dc2741c75b58648f32ebae",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-02T14:38:25Z",
    "title_canon_sha256": "2fc7038781ea692da6f8a8f53e92cb27476d0654236f48b488b01e8df55422aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.02242",
    "kind": "arxiv",
    "version": 1
  }
}