Pith Number

pith:NYKG5EFY

pith:1999:NYKG5EFYJYTB2ZCPL4OUQW32TV

not attested not anchored not stored refs pending

ON-SHELL2: FORM based package for the calculation of two-loop self-energy single scale Feynman diagrams occurring in the Standard Model

J.Fleischer, M.Yu.Kalmykov

arxiv:hep-ph/9907431 v4 · 1999-07-20 · 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{NYKG5EFYJYTB2ZCPL4OUQW32TV}

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	2026-05-18T02:36:27.702056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e146e90b84e261d644f5f1d485b7a9d45a02243a764ac2b9f35cf716e3304bd

Aliases

arxiv: hep-ph/9907431 · arxiv_version: hep-ph/9907431v4 · doi: 10.48550/arxiv.hep-ph/9907431 · pith_short_12: NYKG5EFYJYTB · pith_short_16: NYKG5EFYJYTB2ZCP · pith_short_8: NYKG5EFY

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/NYKG5EFYJYTB2ZCPL4OUQW32TV \
  | 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: 6e146e90b84e261d644f5f1d485b7a9d45a02243a764ac2b9f35cf716e3304bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "225d50330720b546eabb4e8db6d97500041ec3b4ffcdde07a3338705af1a21d5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1999-07-20T14:57:21Z",
    "title_canon_sha256": "103185cc5d849e0f0e6f838347ae087ce1a27d3483b546ab40bd86d3c9294dd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9907431",
    "kind": "arxiv",
    "version": 4
  }
}