Pith Number

pith:KQB7RFLF

pith:2025:KQB7RFLFGII5DYJRFQKUL46VTS

not attested not anchored not stored refs pending

On approximating the $f$-divergence between two Ising models

Weiming Feng, Yucheng Fu

arxiv:2509.05016 v1 · 2025-09-05 · cs.DS · cs.LG · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KQB7RFLFGII5DYJRFQKUL46VTS}

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	2026-07-05T12:05:34.493682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5403f895653211d1e1312c1545f3d59c8a74a22f4471a008259faf1059c6fce1

Aliases

arxiv: 2509.05016 · arxiv_version: 2509.05016v1 · doi: 10.48550/arxiv.2509.05016 · pith_short_12: KQB7RFLFGII5 · pith_short_16: KQB7RFLFGII5DYJR · pith_short_8: KQB7RFLF

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/KQB7RFLFGII5DYJRFQKUL46VTS \
  | 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: 5403f895653211d1e1312c1545f3d59c8a74a22f4471a008259faf1059c6fce1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d69c54cbecb662d45f327be0f962b1571f96ef5388f78c57ad6fcae77843ba6",
    "cross_cats_sorted": [
      "cs.LG",
      "math.PR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2025-09-05T11:25:22Z",
    "title_canon_sha256": "6708a61179529bbbc05008c7a7a216cff8d2370c8bf9ec110596f601fcc75ab0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.05016",
    "kind": "arxiv",
    "version": 1
  }
}