Pith Number

pith:Q74OU2GK

pith:2013:Q74OU2GKNWNYKE4VO6XKEKETAT

not attested not anchored not stored refs pending

CKM matrix element Vcb in a QCD Potential model

D K Choudhury, Krishna Kingkar Pathak

arxiv:1304.6868 v1 · 2013-04-25 · 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{Q74OU2GKNWNYKE4VO6XKEKETAT}

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	2026-05-18T03:27:10.924135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87f8ea68ca6d9b85139577aea2289304c0409adfa074979e08c3ab92ed515d1e

Aliases

arxiv: 1304.6868 · arxiv_version: 1304.6868v1 · doi: 10.48550/arxiv.1304.6868 · pith_short_12: Q74OU2GKNWNY · pith_short_16: Q74OU2GKNWNYKE4V · pith_short_8: Q74OU2GK

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/Q74OU2GKNWNYKE4VO6XKEKETAT \
  | 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: 87f8ea68ca6d9b85139577aea2289304c0409adfa074979e08c3ab92ed515d1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "460b7fde60cda1db8b0b03eb54695d14a5acac72991a5304319498ffa9baaf79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2013-04-25T10:44:23Z",
    "title_canon_sha256": "3a72ad7afee019a543110894d1836266d44c27327b97516a1767f7addc9e333c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6868",
    "kind": "arxiv",
    "version": 1
  }
}