Pith Number

pith:EZT5YKYU

pith:2017:EZT5YKYU4DYQI5VNJUGTX2JZWY

not attested not anchored not stored refs pending

The fundamental group of the complement of the singular locus of Lauricella's $F_C$

Jyoichi Kaneko, Yoshiaki Goto

arxiv:1710.09594 v2 · 2017-10-26 · math.AG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EZT5YKYU4DYQI5VNJUGTX2JZWY}

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	2026-05-18T00:27:18.551020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2667dc2b14e0f10476ad4d0d3be939b600b9d2afe96fb17392364d32053f6fd8

Aliases

arxiv: 1710.09594 · arxiv_version: 1710.09594v2 · doi: 10.48550/arxiv.1710.09594 · pith_short_12: EZT5YKYU4DYQ · pith_short_16: EZT5YKYU4DYQI5VN · pith_short_8: EZT5YKYU

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/EZT5YKYU4DYQI5VNJUGTX2JZWY \
  | 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: 2667dc2b14e0f10476ad4d0d3be939b600b9d2afe96fb17392364d32053f6fd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61dc80546a2066f84748087b12315ed25e2e32170ffb50fb1fbf815f4c657eaa",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-10-26T08:52:26Z",
    "title_canon_sha256": "20d43892921bf37b49ef88cb96268d0fe36c7660454aceb2fbc9e1436f2d3bce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.09594",
    "kind": "arxiv",
    "version": 2
  }
}