Pith Number

pith:XTRGFDBE

pith:2011:XTRGFDBEPGCC3IM6Y24WMPFBXG

not attested not anchored not stored refs pending

Differential Reduction Techniques for the Evaluation of Feynman Diagrams

B.A. Kniehl, B.F.L. Ward, M.Yu. Kalmykov, S.A. Yost, V.V. Bytev

arxiv:1101.2348 v1 · 2011-01-12 · math-ph · hep-ph · hep-th · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XTRGFDBEPGCC3IM6Y24WMPFBXG}

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	2026-05-18T02:22:58.314552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bce2628c2479842da19ec6b9663ca1b9b6c76b402fb6ea3dd6fcf333efea7c9c

Aliases

arxiv: 1101.2348 · arxiv_version: 1101.2348v1 · doi: 10.48550/arxiv.1101.2348 · pith_short_12: XTRGFDBEPGCC · pith_short_16: XTRGFDBEPGCC3IM6 · pith_short_8: XTRGFDBE

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/XTRGFDBEPGCC3IM6Y24WMPFBXG \
  | 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: bce2628c2479842da19ec6b9663ca1b9b6c76b402fb6ea3dd6fcf333efea7c9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2b886cc4a561edb00711ec3d6faf1a7dc3a1f5180e37bd8135424cb891bcf05",
    "cross_cats_sorted": [
      "hep-ph",
      "hep-th",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2011-01-12T13:04:53Z",
    "title_canon_sha256": "056c621e32b01b6b667083ce9d4b53e61c73dc76e8642d72747be000cd3c560b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.2348",
    "kind": "arxiv",
    "version": 1
  }
}