Pith Number

pith:6M7LKEXT

pith:2011:6M7LKEXTVWUSULD3M2AUAGQ4NP

not attested not anchored not stored refs pending

Numerical Approach to Calculation of Feynman Loop Integrals

E.de Doncker, F.Yuasa, J.Fujimoto, K.Kato, N.Hamaguchi, T.Ishikawa, Y.Kurihara, Y.Shimizu

arxiv:1109.4213 v1 · 2011-09-20 · 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{6M7LKEXTVWUSULD3M2AUAGQ4NP}

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	2026-05-18T04:12:43.940283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f33eb512f3ada92a2c7b6681401a1c6bc7f00a1c4da68e9273942e4415e11df1

Aliases

arxiv: 1109.4213 · arxiv_version: 1109.4213v1 · doi: 10.48550/arxiv.1109.4213 · pith_short_12: 6M7LKEXTVWUS · pith_short_16: 6M7LKEXTVWUSULD3 · pith_short_8: 6M7LKEXT

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/6M7LKEXTVWUSULD3M2AUAGQ4NP \
  | 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: f33eb512f3ada92a2c7b6681401a1c6bc7f00a1c4da68e9273942e4415e11df1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0423adb615ff824e0e2c10f17b5dbb4d2a827b252f1b37562d963613ab1dd7a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2011-09-20T06:41:40Z",
    "title_canon_sha256": "883597fb794b9adc0b87adfcf1c084eaf09520158c68fa08d658861463dc791b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4213",
    "kind": "arxiv",
    "version": 1
  }
}