Pith Number

pith:GQMYGLFY

pith:2006:GQMYGLFYSK7FI63B3EVUX4KSMP

not attested not anchored not stored refs pending

Changes of variables in ELSV-type formulas

Dimitri Zvonkine, Sergey Shadrin

arxiv:math/0602457 v3 · 2006-02-21 · math.AG · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GQMYGLFYSK7FI63B3EVUX4KSMP}

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	2026-05-18T00:10:32.585363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3419832cb892be547b61d92b4bf15263f53ad85755c255b5ca09402d2f241010

Aliases

arxiv: math/0602457 · arxiv_version: math/0602457v3 · doi: 10.48550/arxiv.math/0602457 · pith_short_12: GQMYGLFYSK7F · pith_short_16: GQMYGLFYSK7FI63B · pith_short_8: GQMYGLFY

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/GQMYGLFYSK7FI63B3EVUX4KSMP \
  | 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: 3419832cb892be547b61d92b4bf15263f53ad85755c255b5ca09402d2f241010

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "470de4194061e6cf37d4d7963d42b0cfc406ddc630e6fa14ba48675f4c7b01ea",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2006-02-21T13:29:37Z",
    "title_canon_sha256": "56f509c4e77c09d4b6957833aa271ad6cfe41a5776e1513808b5062bb49f40d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0602457",
    "kind": "arxiv",
    "version": 3
  }
}