Pith Number

pith:K3J43XQN

pith:2019:K3J43XQNQCMGYQAHWVQBNFQQWM

not attested not anchored not stored refs pending

Double coverings of arrangement complements and $2$-torsion in Milnor fiber homology

Masahiko Yoshinaga

arxiv:1902.06256 v2 · 2019-02-17 · math.AG · math.AT · math.CO · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K3J43XQNQCMGYQAHWVQBNFQQWM}

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.

Cited by

1 paper in Pith

Topology of the icosidodecahedral arrangement

Receipt and verification

First computed	2026-07-05T03:10:48.097132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56d3cdde0d80986c4007b560169610b325e8e8925e1d56cb484485a54cfce575

Aliases

arxiv: 1902.06256 · arxiv_version: 1902.06256v2 · doi: 10.48550/arxiv.1902.06256 · pith_short_12: K3J43XQNQCMG · pith_short_16: K3J43XQNQCMGYQAH · pith_short_8: K3J43XQN

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/K3J43XQNQCMGYQAHWVQBNFQQWM \
  | 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: 56d3cdde0d80986c4007b560169610b325e8e8925e1d56cb484485a54cfce575

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfda785c55acfe10bdf66a2e81c5ee01041156ce76f94212c852dcbca9633123",
    "cross_cats_sorted": [
      "math.AT",
      "math.CO",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-02-17T13:18:20Z",
    "title_canon_sha256": "6a9e5b4e72fa2ef86f5a7059dd45490758e0d2b46c24097bff17be685d7e6c2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06256",
    "kind": "arxiv",
    "version": 2
  }
}