Pith Number

pith:2VR66BNO

pith:2013:2VR66BNO7T5A47EHJCPVCBVVQI

not attested not anchored not stored refs pending

Multi-loop Integrand Reduction with Computational Algebraic Geometry

Hjalte Frellesvig, Simon Badger, Yang Zhang

arxiv:1310.4445 v1 · 2013-10-16 · 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{2VR66BNO7T5A47EHJCPVCBVVQI}

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	2026-05-18T01:46:58.771609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d563ef05aefcfa0e7c87489f5106b582218279c811b4c4e2b7bd96dc7fc37db2

Aliases

arxiv: 1310.4445 · arxiv_version: 1310.4445v1 · doi: 10.48550/arxiv.1310.4445 · pith_short_12: 2VR66BNO7T5A · pith_short_16: 2VR66BNO7T5A47EH · pith_short_8: 2VR66BNO

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/2VR66BNO7T5A47EHJCPVCBVVQI \
  | 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: d563ef05aefcfa0e7c87489f5106b582218279c811b4c4e2b7bd96dc7fc37db2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5714b188d11d6a2cfef60fac2f0278bb802698652430818316cc75dc33712469",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2013-10-16T16:53:07Z",
    "title_canon_sha256": "9abbf910ec8e57f7e7f9467bc66e8c1cd3670d8588a08297b20546a0cbaaf5f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4445",
    "kind": "arxiv",
    "version": 1
  }
}