Pith Number

pith:J2C4UKWO

pith:2002:J2C4UKWOTREHCJRIQU3RNVX4AE

not attested not anchored not stored refs pending

A new model-independent way of extracting |V_ub/V_cb|

Marco Ciuchini, Paolo Gambino, Ugo Aglietti

arxiv:hep-ph/0204140 v1 · 2002-04-12 · 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{J2C4UKWOTREHCJRIQU3RNVX4AE}

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	2026-07-04T15:26:42.018000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e85ca2ace9c48712628853716d6fc0136cfedfb878f9cb2c5c1afeeebbd3d5d

Aliases

arxiv: hep-ph/0204140 · arxiv_version: hep-ph/0204140v1 · doi: 10.48550/arxiv.hep-ph/0204140 · pith_short_12: J2C4UKWOTREH · pith_short_16: J2C4UKWOTREHCJRI · pith_short_8: J2C4UKWO

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/J2C4UKWOTREHCJRIQU3RNVX4AE \
  | 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: 4e85ca2ace9c48712628853716d6fc0136cfedfb878f9cb2c5c1afeeebbd3d5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b27beec3192eefce60db41e48c57d4edd6be2779000aa489306b3a4891221d9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2002-04-12T14:52:47Z",
    "title_canon_sha256": "b46175e06eb5d4ced67f005cd2fa32c055cbf75f040ec7f329e7d0b010a0e4d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0204140",
    "kind": "arxiv",
    "version": 1
  }
}