Pith Number

pith:2LTPRTOH

pith:2018:2LTPRTOH2FUF43LHTA66BUE3RB

not attested not anchored not stored refs pending

A combinatorial matrix approach for the generation of vacuum Feynman graphs multiplicities in $\phi^4$ theory

Erick Castro, Itzhak Roditi

arxiv:1804.08031 v2 · 2018-04-21 · math-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{2LTPRTOH2FUF43LHTA66BUE3RB}

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	2026-05-18T00:06:31.539551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2e6f8cdc7d1685e6d67983de0d09b8847ebca30dca577316a904f8c7b4055e4

Aliases

arxiv: 1804.08031 · arxiv_version: 1804.08031v2 · doi: 10.48550/arxiv.1804.08031 · pith_short_12: 2LTPRTOH2FUF · pith_short_16: 2LTPRTOH2FUF43LH · pith_short_8: 2LTPRTOH

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/2LTPRTOH2FUF43LHTA66BUE3RB \
  | 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: d2e6f8cdc7d1685e6d67983de0d09b8847ebca30dca577316a904f8c7b4055e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "797f63d0924c41c06913d658b0424832b94edba579f895979b2153032e6cb68a",
    "cross_cats_sorted": [
      "hep-th",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-04-21T21:41:19Z",
    "title_canon_sha256": "0c8a2d30be134ad2a7aad9652d502f0a6c664f109ab35aa8603d37e39fb71751"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08031",
    "kind": "arxiv",
    "version": 2
  }
}