Pith Number

pith:J6GSR3OA

pith:2009:J6GSR3OA4O7BO3ENCKZZTETNI4

not attested not anchored not stored refs pending

Riemann-Hilbert problem for Hurwitz Frobenius manifolds: regular singularities

D. Korotkin, V. Shramchenko

arxiv:0909.0543 v3 · 2009-09-02 · math-ph · 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{J6GSR3OA4O7BO3ENCKZZTETNI4}

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	2026-05-18T02:12:00.530815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f8d28edc0e3be176c8d12b399926d47350f610c9becf992426a057bec6ba42a

Aliases

arxiv: 0909.0543 · arxiv_version: 0909.0543v3 · doi: 10.48550/arxiv.0909.0543 · pith_short_12: J6GSR3OA4O7B · pith_short_16: J6GSR3OA4O7BO3EN · pith_short_8: J6GSR3OA

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/J6GSR3OA4O7BO3ENCKZZTETNI4 \
  | 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: 4f8d28edc0e3be176c8d12b399926d47350f610c9becf992426a057bec6ba42a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06a5cc27deb9137c30ed5886b0d538eee3b70717fa4a5a37c570c31d3a0546d1",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2009-09-02T22:55:13Z",
    "title_canon_sha256": "5990d15c433b2c3b8199545285a49b98780733f09ca98be864e43df6276ed17e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0543",
    "kind": "arxiv",
    "version": 3
  }
}