Pith Number

pith:XTKVEWBL

pith:2008:XTKVEWBLDML3NJGNNJQOCEUCYN

not attested not anchored not stored refs pending

Two-Loop QCD Corrections to the Heavy-to-Light Quark Decay

A. Ferroglia, R. Bonciani

arxiv:0809.4687 v2 · 2008-09-26 · 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{XTKVEWBLDML3NJGNNJQOCEUCYN}

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	2026-05-18T04:30:58.394748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcd552582b1b17b6a4cd6a60e11282c3450345e6fe19ef85ca03cb3cb0627704

Aliases

arxiv: 0809.4687 · arxiv_version: 0809.4687v2 · doi: 10.48550/arxiv.0809.4687 · pith_short_12: XTKVEWBLDML3 · pith_short_16: XTKVEWBLDML3NJGN · pith_short_8: XTKVEWBL

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/XTKVEWBLDML3NJGNNJQOCEUCYN \
  | 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: bcd552582b1b17b6a4cd6a60e11282c3450345e6fe19ef85ca03cb3cb0627704

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "126ef130ade5b311c8ff93c2dac6e628296416a7a58f803ed658df69cba4e9c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2008-09-26T18:09:16Z",
    "title_canon_sha256": "a183f4c021782824094e41e8203e7bc0f2fea5e96b084042e17d711601c007d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.4687",
    "kind": "arxiv",
    "version": 2
  }
}