Pith Number

pith:INU55UYE

pith:2010:INU55UYEY4OXQPAPJYQCB6DSGM

not attested not anchored not stored refs pending

Hyperplane Arrangements and Diagonal Harmonics

Drew Armstrong

arxiv:1005.1949 v1 · 2010-05-11 · math.CO · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{INU55UYEY4OXQPAPJYQCB6DSGM}

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

Labeling regions in deformations of graphical arrangements

Receipt and verification

First computed	2026-05-18T02:24:08.208793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4369ded304c71d783c0f4e2020f87233249eef2ccb895d773a4c0e691190c36f

Aliases

arxiv: 1005.1949 · arxiv_version: 1005.1949v1 · doi: 10.48550/arxiv.1005.1949 · pith_short_12: INU55UYEY4OX · pith_short_16: INU55UYEY4OXQPAP · pith_short_8: INU55UYE

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/INU55UYEY4OXQPAPJYQCB6DSGM \
  | 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: 4369ded304c71d783c0f4e2020f87233249eef2ccb895d773a4c0e691190c36f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d44613761d0b12e8e92316c76ece37084f10da518b3a8d561caa2a5358c79ae",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-05-11T21:00:46Z",
    "title_canon_sha256": "b20622e889f400fa916113dc68f7c89ea29866b3b8d1bc5299a3a2606cd1da64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.1949",
    "kind": "arxiv",
    "version": 1
  }
}