Pith Number

pith:DBQYGQUJ

pith:2012:DBQYGQUJ6Z6PJTDAMAPQQB2QCO

not attested not anchored not stored refs pending

Splayed divisors and their Chern classes

Eleonore Faber, Paolo Aluffi

arxiv:1207.4202 v2 · 2012-07-17 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DBQYGQUJ6Z6PJTDAMAPQQB2QCO}

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	2026-05-18T00:25:12.240069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1861834289f67cf4cc60601f08075013af76e971ad63919865dcf0479fbe8463

Aliases

arxiv: 1207.4202 · arxiv_version: 1207.4202v2 · doi: 10.48550/arxiv.1207.4202 · pith_short_12: DBQYGQUJ6Z6P · pith_short_16: DBQYGQUJ6Z6PJTDA · pith_short_8: DBQYGQUJ

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/DBQYGQUJ6Z6PJTDAMAPQQB2QCO \
  | 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: 1861834289f67cf4cc60601f08075013af76e971ad63919865dcf0479fbe8463

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6240ad63900041702fc130829b534e18efb104cf8b06451c2cb83e626338902f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-07-17T20:01:01Z",
    "title_canon_sha256": "ab4e5bce2c8c4998f0392e193ea920a2015bc43db601ab4b1a25b47aec7df711"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4202",
    "kind": "arxiv",
    "version": 2
  }
}