Pith Number

pith:KTMDM32S

pith:2019:KTMDM32SSZ7TAQXY5HCOSXB6CL

not attested not anchored not stored refs pending

Reduction of Feynman Integrals in the Parametric Representation

Wen Chen

arxiv:1902.10387 v4 · 2019-02-27 · 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{KTMDM32SSZ7TAQXY5HCOSXB6CL}

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.

Cited by

2 papers in Pith

Feynman Integral Reduction without Integration-By-Parts

Emergence of Calabi-Yau manifolds in high-precision black hole scattering

Receipt and verification

First computed	2026-07-05T00:48:14.039615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54d8366f52967f3042f8e9c4e95c3e12f37d3a445e63a98aa967836a729905aa

Aliases

arxiv: 1902.10387 · arxiv_version: 1902.10387v4 · doi: 10.48550/arxiv.1902.10387 · pith_short_12: KTMDM32SSZ7T · pith_short_16: KTMDM32SSZ7TAQXY · pith_short_8: KTMDM32S

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/KTMDM32SSZ7TAQXY5HCOSXB6CL \
  | 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: 54d8366f52967f3042f8e9c4e95c3e12f37d3a445e63a98aa967836a729905aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a998192db09a0803a595eb0f8e6a0e0888406a0110c93c877f0c2701bc19b2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2019-02-27T08:35:30Z",
    "title_canon_sha256": "2401c4d8e53d3367254b653b7bead0e14035010b2aa3924785e6ca133dc2c9d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.10387",
    "kind": "arxiv",
    "version": 4
  }
}