Pith Number

pith:5DQN3N5D

pith:2018:5DQN3N5DOXVZTZOQVOXFFCZZ7K

not attested not anchored not stored refs pending

Solomon-Terao algebra of hyperplane arrangements

Satoshi Murai, Takuro Abe, Toshiaki Maeno, Yasuhide Numata

arxiv:1802.04056 v1 · 2018-02-12 · math.AC · math.AG · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5DQN3N5DOXVZTZOQVOXFFCZZ7K}

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	2026-05-18T00:23:46.976989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8e0ddb7a375eb99e5d0abae528b39fa9d1e2a5dd4cc129ce284b3dd13179375

Aliases

arxiv: 1802.04056 · arxiv_version: 1802.04056v1 · doi: 10.48550/arxiv.1802.04056 · pith_short_12: 5DQN3N5DOXVZ · pith_short_16: 5DQN3N5DOXVZTZOQ · pith_short_8: 5DQN3N5D

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/5DQN3N5DOXVZTZOQVOXFFCZZ7K \
  | 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: e8e0ddb7a375eb99e5d0abae528b39fa9d1e2a5dd4cc129ce284b3dd13179375

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e6430b112b17a42e913e0917fdf19b453ab5556ff757e994bba2a1cac64ddf4",
    "cross_cats_sorted": [
      "math.AG",
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2018-02-12T14:18:34Z",
    "title_canon_sha256": "a3ec469276aa06cb209657fc21bdf43b54ccad9a8c8974e5b21eeb085783d3af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04056",
    "kind": "arxiv",
    "version": 1
  }
}