Pith Number

pith:S4OCPJ7Z

pith:2013:S4OCPJ7ZC6BIRE5UMQ3IMDRT42

not attested not anchored not stored refs pending

Seshadri constants via Okounkov functions and the Segre-Harbourne-Gimigliano-Hirschowitz Conjecture

Alex K\"uronya, Catriona Maclean, Marcin Dumnicki, Tomasz Szemberg

arxiv:1304.0249 v1 · 2013-03-31 · math.AG · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S4OCPJ7ZC6BIRE5UMQ3IMDRT42}

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	2026-05-18T03:29:17.509452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

971c27a7f917828893b46436860e33e6af597de441111cc00a51390cecfabe9d

Aliases

arxiv: 1304.0249 · arxiv_version: 1304.0249v1 · doi: 10.48550/arxiv.1304.0249 · pith_short_12: S4OCPJ7ZC6BI · pith_short_16: S4OCPJ7ZC6BIRE5U · pith_short_8: S4OCPJ7Z

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/S4OCPJ7ZC6BIRE5UMQ3IMDRT42 \
  | 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: 971c27a7f917828893b46436860e33e6af597de441111cc00a51390cecfabe9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb9076b4a433bd2f77c55a4cee8ecebb60569be1b5522021899824f0dc631dfa",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-03-31T20:12:12Z",
    "title_canon_sha256": "9084d498a5540e6cc8b520076e4e83c81aee36bf94e449f13c1b91f0101ef855"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0249",
    "kind": "arxiv",
    "version": 1
  }
}