Pith Number

pith:K5UB43KJ

pith:2019:K5UB43KJT5PYWOPALAABQEZBX4

not attested not anchored not stored refs pending

Characteristic cycles and Gevrey series solutions of $A$-hypergeometric systems

Christine Berkesch, Mar\'ia-Cruz Fern\'andez-Fern\'andez

arxiv:1902.04339 v1 · 2019-02-12 · math.AG

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K5UB43KJT5PYWOPALAABQEZBX4}

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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.

Cited by

1 paper in Pith

Gevrey and formal Nilsson solutions of $A$-hypergeometric systems

Receipt and verification

First computed	2026-07-05T01:07:24.696655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57681e6d499f5f8b39e05800181321bf30ee4d18cca4a25f112ceb75f282ea6a

Aliases

arxiv: 1902.04339 · arxiv_version: 1902.04339v1 · doi: 10.48550/arxiv.1902.04339 · pith_short_12: K5UB43KJT5PY · pith_short_16: K5UB43KJT5PYWOPA · pith_short_8: K5UB43KJ

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/K5UB43KJT5PYWOPALAABQEZBX4 \
  | 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: 57681e6d499f5f8b39e05800181321bf30ee4d18cca4a25f112ceb75f282ea6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e9b3d874d18bd668cd65c853eff37775e5473404317ea719328d82541842ccf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-02-12T11:43:38Z",
    "title_canon_sha256": "b4be53b08a8e421bfd0e5fe07c1db15b7c529284025228bd98653064ca30ced6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04339",
    "kind": "arxiv",
    "version": 1
  }
}