Pith Number

pith:VIRTLBOH

pith:2009:VIRTLBOHOVQBHJT2GLIJSXS2VU

not attested not anchored not stored refs pending

Spanning forest polynomials and the transcendental weight of Feynman graphs

Francis Brown, Karen Yeats

arxiv:0910.5429 v1 · 2009-10-28 · math-ph · 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{VIRTLBOHOVQBHJT2GLIJSXS2VU}

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	2026-05-18T04:31:41.471167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa233585c7756013a67a32d0995e5aad38c80b0c0b178d78bbf06a24ae353c7d

Aliases

arxiv: 0910.5429 · arxiv_version: 0910.5429v1 · doi: 10.48550/arxiv.0910.5429 · pith_short_12: VIRTLBOHOVQB · pith_short_16: VIRTLBOHOVQBHJT2 · pith_short_8: VIRTLBOH

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/VIRTLBOHOVQBHJT2GLIJSXS2VU \
  | 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: aa233585c7756013a67a32d0995e5aad38c80b0c0b178d78bbf06a24ae353c7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f3d7c1b23caab96b9e56e76edb22199b4b0ad73fb6568e943ec2a9bf97cf417",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2009-10-28T16:48:21Z",
    "title_canon_sha256": "9c702418647706833609edc9c1750314274a00cf59315c1d2ee27a4e0b251149"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.5429",
    "kind": "arxiv",
    "version": 1
  }
}