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Pith Number

pith:3X7SNR33

pith:1999:3X7SNR33WDOKW75RSGS7DZPK6I
not attested not anchored not stored refs pending

An effective Lagrangian approach for unstable particles

A.P. Chapovsky (Leiden), F.A. Berends (Leiden), W. Beenakker (Durham)

arxiv:hep-ph/9909472 v2 · 1999-09-22 · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{3X7SNR33WDOKW75RSGS7DZPK6I}

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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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-05-18T04:31:42.456510Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ddff26c77bb0dcab7fb191a5f1e5eaf2207ec38a14bb676b187b5d5ceabf1867

Aliases

arxiv: hep-ph/9909472 · arxiv_version: hep-ph/9909472v2 · doi: 10.48550/arxiv.hep-ph/9909472 · pith_short_12: 3X7SNR33WDOK · pith_short_16: 3X7SNR33WDOKW75R · pith_short_8: 3X7SNR33
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/3X7SNR33WDOKW75RSGS7DZPK6I \
  | 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: ddff26c77bb0dcab7fb191a5f1e5eaf2207ec38a14bb676b187b5d5ceabf1867
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "cd17ede246fa385e73fafa830e735e1d179d969c8c6515f88270348c2c87bd38",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1999-09-22T15:36:33Z",
    "title_canon_sha256": "c21337d748188124f093f1930b2786a6e95fec3fb477bcf5ab4e2506381c38ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9909472",
    "kind": "arxiv",
    "version": 2
  }
}