Pith Number

pith:LGS7IYZM

pith:2018:LGS7IYZMDCUUABYOG6Y32UGEE7

not attested not anchored not stored refs pending

Poincar\'e polynomial of elliptic arrangements is not a specialization of the Tutte polynomial

Roberto Pagaria

arxiv:1810.06248 v1 · 2018-10-15 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LGS7IYZMDCUUABYOG6Y32UGEE7}

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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

Set of independencies and Tutte polynomial of matroids over a domain

Receipt and verification

First computed	2026-07-05T01:19:49.235855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59a5f4632c18a940070e37b1bd50c427dd2d0465476eed55fb7d5f46ab6688ee

Aliases

arxiv: 1810.06248 · arxiv_version: 1810.06248v1 · doi: 10.48550/arxiv.1810.06248 · pith_short_12: LGS7IYZMDCUU · pith_short_16: LGS7IYZMDCUUABYO · pith_short_8: LGS7IYZM

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/LGS7IYZMDCUUABYOG6Y32UGEE7 \
  | 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: 59a5f4632c18a940070e37b1bd50c427dd2d0465476eed55fb7d5f46ab6688ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "505437c9b6ffe61aacbaa483d0c798cf5e570394782bcb568e685acadae209aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2018-10-15T09:47:26Z",
    "title_canon_sha256": "7cf7e46d544f80da313939f5b0b2cda4e102a29b016f2fc671e04b467269fbea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.06248",
    "kind": "arxiv",
    "version": 1
  }
}