Pith Number

pith:6QDFJIST

pith:2026:6QDFJISTRTS4XUIY5D3XD7IRJS

not attested not anchored not stored refs pending

On homological properties of conic-line arrangements with simple singularities

Artur Bromboszcz

arxiv:2606.31452 v1 · 2026-06-30 · math.AG · 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{6QDFJISTRTS4XUIY5D3XD7IRJS}

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	2026-07-01T01:18:03.790461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f40654a2538ce5cbd118e8f771fd114c85020ee230c264697236da3879ab6522

Aliases

arxiv: 2606.31452 · arxiv_version: 2606.31452v1 · doi: 10.48550/arxiv.2606.31452 · pith_short_12: 6QDFJISTRTS4 · pith_short_16: 6QDFJISTRTS4XUIY · pith_short_8: 6QDFJIST

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/6QDFJISTRTS4XUIY5D3XD7IRJS \
  | 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: f40654a2538ce5cbd118e8f771fd114c85020ee230c264697236da3879ab6522

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40745d554b622a78fd5a58c31f153b47fe0e213a67fc93b05cec588b35d3d4a9",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-06-30T10:25:58Z",
    "title_canon_sha256": "7063056c749c53ec47c00a81e633106884a4bd4bf03e1302c176f44bb41f8e85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31452",
    "kind": "arxiv",
    "version": 1
  }
}