Pith Number

pith:7JSZQVXN

pith:2019:7JSZQVXN7HJU7A7A74YTVFW2RL

not attested not anchored not stored refs pending

Double Hurwitz numbers and multisingularity loci in genus 0

Dimitri Zvonkine, Maxim Kazarian, Sergei Lando

arxiv:1908.00455 v1 · 2019-08-01 · 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{7JSZQVXN7HJU7A7A74YTVFW2RL}

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	2026-07-04T23:51:00.652339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa659856edf9d34f83e0ff313a96da8afbc52dac17b367e2244020a2ea74325b

Aliases

arxiv: 1908.00455 · arxiv_version: 1908.00455v1 · doi: 10.48550/arxiv.1908.00455 · pith_short_12: 7JSZQVXN7HJU · pith_short_16: 7JSZQVXN7HJU7A7A · pith_short_8: 7JSZQVXN

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/7JSZQVXN7HJU7A7A74YTVFW2RL \
  | 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: fa659856edf9d34f83e0ff313a96da8afbc52dac17b367e2244020a2ea74325b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35c06439f84524efb1bf1b7cd4f1e49688fc3d944b48a03a1653bc58d8eb8df8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-08-01T15:19:40Z",
    "title_canon_sha256": "e01ac19e4c1c3ecbf9d71396478f03074c325d204d721e13c6540f54452b94a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00455",
    "kind": "arxiv",
    "version": 1
  }
}