Pith Number

pith:URYULDIF

pith:2017:URYULDIFFE6CJP2OQZV37D26NW

not attested not anchored not stored refs pending

Enumeration of N-rooted maps using quantum field theory

K. Krishna Gopala, Patrick Labelle, Vasilisa Shramchenko

arxiv:1709.01200 v2 · 2017-09-05 · math-ph · math.CO · 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{URYULDIFFE6CJP2OQZV37D26NW}

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	2026-05-18T00:19:13.792419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a471458d05293c24bf4e866bbf8f5e6d88e83a0393129fab80894959b8696d89

Aliases

arxiv: 1709.01200 · arxiv_version: 1709.01200v2 · doi: 10.48550/arxiv.1709.01200 · pith_short_12: URYULDIFFE6C · pith_short_16: URYULDIFFE6CJP2O · pith_short_8: URYULDIF

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/URYULDIFFE6CJP2OQZV37D26NW \
  | 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: a471458d05293c24bf4e866bbf8f5e6d88e83a0393129fab80894959b8696d89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2db59e2f36f3be2d9ea245c81a86b42f88ac81ee58c4285c4cf189b1d92c2d1d",
    "cross_cats_sorted": [
      "math.CO",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2017-09-05T00:33:01Z",
    "title_canon_sha256": "d82acf7aed9b2c2ff0722daddb6ac7a9146c3ee4dc09193e44153c9df2e76a80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01200",
    "kind": "arxiv",
    "version": 2
  }
}