Pith Number

pith:B3ASYZRU

pith:2014:B3ASYZRUERF3XCQ74ZUB3D7Q6Z

not attested not anchored not stored refs pending

The freeness of Ish arrangements

Daisuke Suyama, Shuhei Tsujie, Takuro Abe

arxiv:1410.2084 v3 · 2014-10-08 · 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{B3ASYZRUERF3XCQ74ZUB3D7Q6Z}

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	2026-05-18T00:15:05.885105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ec12c6634244bbb8a1fe6681d8ff0f666fd3be2a39241e7484d76dd12d28528

Aliases

arxiv: 1410.2084 · arxiv_version: 1410.2084v3 · doi: 10.48550/arxiv.1410.2084 · pith_short_12: B3ASYZRUERF3 · pith_short_16: B3ASYZRUERF3XCQ7 · pith_short_8: B3ASYZRU

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/B3ASYZRUERF3XCQ74ZUB3D7Q6Z \
  | 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: 0ec12c6634244bbb8a1fe6681d8ff0f666fd3be2a39241e7484d76dd12d28528

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9fb43a73022ecac97ede58066a5d4127927f785cc6411cfc0402f06ff126d1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-10-08T12:41:49Z",
    "title_canon_sha256": "6746a93224df78ef7f07cfb219c0f992d302b131816a7e322028452e2235d59c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.2084",
    "kind": "arxiv",
    "version": 3
  }
}