Pith Number

pith:BWQI5OY7

pith:2019:BWQI5OY7TFULKZ4IHAZRLBE42S

not attested not anchored not stored refs pending

Enumeration of Flats of the Extended Catalan and Shi Arrangements with Species

Norihiro Nakashima, Shuhei Tsujie

arxiv:1904.09748 v4 · 2019-04-22 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BWQI5OY7TFULKZ4IHAZRLBE42S}

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

Modular Construction of Free Hyperplane Arrangements

Receipt and verification

First computed	2026-07-05T03:30:05.499329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0da08ebb1f9968b56788383315849cd4aa4b0d1b073b3081f9774601ba0f83e4

Aliases

arxiv: 1904.09748 · arxiv_version: 1904.09748v4 · doi: 10.48550/arxiv.1904.09748 · pith_short_12: BWQI5OY7TFUL · pith_short_16: BWQI5OY7TFULKZ4I · pith_short_8: BWQI5OY7

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/BWQI5OY7TFULKZ4IHAZRLBE42S \
  | 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: 0da08ebb1f9968b56788383315849cd4aa4b0d1b073b3081f9774601ba0f83e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0c30c0e4b29c919c3bf8da900d588e369b4360db758ba70a72fc4ef272839de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-04-22T07:04:42Z",
    "title_canon_sha256": "a6a5bb1085b7e43d854b41f1ecd5abd96370960646f8062159239a2a028bbe48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09748",
    "kind": "arxiv",
    "version": 4
  }
}