Pith Number

pith:L7T6XKBS

pith:2017:L7T6XKBS47I67ZTZ6IXFSLGUXL

not attested not anchored not stored refs pending

On ELSV-type formulae, Hurwitz numbers and topological recursion

Danilo Lewanski

arxiv:1703.06435 v1 · 2017-03-19 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L7T6XKBS47I67ZTZ6IXFSLGUXL}

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	2026-05-18T00:48:22.875523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fe7eba832e7d1efe679f22e592cd4bac4556e753c76e1bbed437c2dc82f8a31

Aliases

arxiv: 1703.06435 · arxiv_version: 1703.06435v1 · doi: 10.48550/arxiv.1703.06435 · pith_short_12: L7T6XKBS47I6 · pith_short_16: L7T6XKBS47I67ZTZ · pith_short_8: L7T6XKBS

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/L7T6XKBS47I67ZTZ6IXFSLGUXL \
  | 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: 5fe7eba832e7d1efe679f22e592cd4bac4556e753c76e1bbed437c2dc82f8a31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a18f68fe88ceef75538dd824367ad5a88c3add94704b80de77920d6c1f409a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-03-19T13:40:39Z",
    "title_canon_sha256": "e915fbc862867d00b8b8b6476f479c242d02ff6116ba6989d3d6130a5d389ddb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06435",
    "kind": "arxiv",
    "version": 1
  }
}