Pith Number

pith:XNGRHSPC

pith:2008:XNGRHSPCRBEVYFQKK6YOM76TTW

not attested not anchored not stored refs pending

O(\alpha_s^2) corrections to semileptonic decay b \to c l \bar \nu_l

Kirill Melnikov

arxiv:0803.0951 v1 · 2008-03-06 · 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{XNGRHSPCRBEVYFQKK6YOM76TTW}

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	2026-05-18T02:35:23.147490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb4d13c9e288495c160a57b0e67fd39daf29f3d76be72721177ee5edb97074b7

Aliases

arxiv: 0803.0951 · arxiv_version: 0803.0951v1 · doi: 10.48550/arxiv.0803.0951 · pith_short_12: XNGRHSPCRBEV · pith_short_16: XNGRHSPCRBEVYFQK · pith_short_8: XNGRHSPC

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/XNGRHSPCRBEVYFQKK6YOM76TTW \
  | 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: bb4d13c9e288495c160a57b0e67fd39daf29f3d76be72721177ee5edb97074b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a98a494610c57630a776991c0a903e3033dbeb09154adbf318c851830d415bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2008-03-06T19:37:14Z",
    "title_canon_sha256": "ba4975a04e0542cc7e15b9371c9e9862d0195005e73bfdd2cf0fce4145a2a325"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.0951",
    "kind": "arxiv",
    "version": 1
  }
}