Pith Number

pith:KFSXYKDI

pith:2013:KFSXYKDI63EECWU5HAYQOGXZHM

not attested not anchored not stored refs pending

The Orlik-Solomon model for hypersurface arrangements

Cl\'ement Dupont

arxiv:1302.2103 v3 · 2013-02-08 · math.AG · math.AT · 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{KFSXYKDI63EECWU5HAYQOGXZHM}

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	2026-05-18T01:24:19.539404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51657c2868f6c8415a9d3831071af93b2bec5a1d0525340b9240e7b8aa79d5be

Aliases

arxiv: 1302.2103 · arxiv_version: 1302.2103v3 · doi: 10.48550/arxiv.1302.2103 · pith_short_12: KFSXYKDI63EE · pith_short_16: KFSXYKDI63EECWU5 · pith_short_8: KFSXYKDI

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/KFSXYKDI63EECWU5HAYQOGXZHM \
  | 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: 51657c2868f6c8415a9d3831071af93b2bec5a1d0525340b9240e7b8aa79d5be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d1762d0fa3987949ff4f9ad9977b33592697f250b7dc723762e0607617ad1ac",
    "cross_cats_sorted": [
      "math.AT",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-02-08T18:10:53Z",
    "title_canon_sha256": "296a24b2fd08356190ca7d61cabc69e0e9ad132cee773fe79122f8150f664897"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2103",
    "kind": "arxiv",
    "version": 3
  }
}