Pith Number

pith:EZIDLGF7

pith:2025:EZIDLGF7ISAPDKE2WCML57XXIE

not attested not anchored not stored refs pending

Efficient approximation of regularized relative entropies and applications

Hamza Fawzi, Kun Fang, Omar Fawzi

arxiv:2502.15659 v2 · 2025-02-21 · 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{EZIDLGF7ISAPDKE2WCML57XXIE}

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	2026-07-05T11:15:19.607376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26503598bf4480f1a89ab098befef741172ca3306db31a35b3210152b83c0994

Aliases

arxiv: 2502.15659 · arxiv_version: 2502.15659v2 · doi: 10.48550/arxiv.2502.15659 · pith_short_12: EZIDLGF7ISAP · pith_short_16: EZIDLGF7ISAPDKE2 · pith_short_8: EZIDLGF7

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/EZIDLGF7ISAPDKE2WCML57XXIE \
  | 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: 26503598bf4480f1a89ab098befef741172ca3306db31a35b3210152b83c0994

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b674ba232d2ac29bb0412961bb98845cea5affaaba8968e49ea62258e47c41a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-02-21T18:29:45Z",
    "title_canon_sha256": "3f5e626c54276aa538b628918243fdea4de006f9c330af805b6104f7cfae3a39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.15659",
    "kind": "arxiv",
    "version": 2
  }
}