Pith Number

pith:XUHTA3OO

pith:2010:XUHTA3OO7BFSL3MWCOHTGE4UGL

not attested not anchored not stored refs pending

On intersection lattices of hyperplane arrangements generated by generic points

Akimichi Takemura, Hiroshi Koizumi, Yasuhide Numata

arxiv:1009.3676 v1 · 2010-09-20 · 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{XUHTA3OO7BFSL3MWCOHTGE4UGL}

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	2026-05-18T03:36:25.404447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd0f306dcef84b25ed96138f33139432ed74e4e049ce8614db197015f60049d0

Aliases

arxiv: 1009.3676 · arxiv_version: 1009.3676v1 · doi: 10.48550/arxiv.1009.3676 · pith_short_12: XUHTA3OO7BFS · pith_short_16: XUHTA3OO7BFSL3MW · pith_short_8: XUHTA3OO

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/XUHTA3OO7BFSL3MWCOHTGE4UGL \
  | 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: bd0f306dcef84b25ed96138f33139432ed74e4e049ce8614db197015f60049d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5d57da426eb20565d0c86534223a5598ab7405154e69106ad05f5763e92915a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-09-20T01:47:47Z",
    "title_canon_sha256": "af7e32b93ad718748adaad1e30696c50c162cd29203090b10019b082938e9bac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.3676",
    "kind": "arxiv",
    "version": 1
  }
}