Pith Number

pith:NU7R7YMQ

pith:2007:NU7R7YMQBDWWD3BSUB4KA55BYB

not attested not anchored not stored refs pending

$B\to K$ Transition Form Factor up to ${\cal O}(1/m^2_b)$ within the $k_T$ Factorization Approach

Tao Huang, Xing-Gang Wu, Zhen-Yun Fang

arxiv:0707.2504 v2 · 2007-07-17 · hep-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{NU7R7YMQBDWWD3BSUB4KA55BYB}

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	2026-07-04T15:24:28.256613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d3f1fe19008ed61ec32a078a077a1c05da44651be7cea684bb3eb0cf366dd98

Aliases

arxiv: 0707.2504 · arxiv_version: 0707.2504v2 · doi: 10.48550/arxiv.0707.2504 · pith_short_12: NU7R7YMQBDWW · pith_short_16: NU7R7YMQBDWWD3BS · pith_short_8: NU7R7YMQ

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/NU7R7YMQBDWWD3BSUB4KA55BYB \
  | 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: 6d3f1fe19008ed61ec32a078a077a1c05da44651be7cea684bb3eb0cf366dd98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcdf1378eddf737a901d795d24d189676c65b5bf6046f70565ea2c2570a4c4f1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2007-07-17T12:44:22Z",
    "title_canon_sha256": "0746589421ee2a2556ae1fac8f57d574cf01242ccd1c23b96ff4ed10f8c4777f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.2504",
    "kind": "arxiv",
    "version": 2
  }
}