Pith Number

pith:V2SFZWAJ

pith:2013:V2SFZWAJHNGBOVRR6YKOF2HIKP

not attested not anchored not stored refs pending

Equivariant Hirzebruch class for singular varieties

Andrzej Weber

arxiv:1308.0788 v5 · 2013-08-04 · math.AG · math.AT · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V2SFZWAJHNGBOVRR6YKOF2HIKP}

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.

Cited by

1 paper in Pith

Defects, nested instantons and comet shaped quivers

Receipt and verification

First computed	2026-05-18T01:35:38.507741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aea45cd8093b4c175631f614e2e8e853db6161f05a1900f0aaf96e8d17e2430f

Aliases

arxiv: 1308.0788 · arxiv_version: 1308.0788v5 · doi: 10.48550/arxiv.1308.0788 · pith_short_12: V2SFZWAJHNGB · pith_short_16: V2SFZWAJHNGBOVRR · pith_short_8: V2SFZWAJ

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/V2SFZWAJHNGBOVRR6YKOF2HIKP \
  | 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: aea45cd8093b4c175631f614e2e8e853db6161f05a1900f0aaf96e8d17e2430f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e725dc1b759f568639fc50603c1f640a88559acd925ca51d5ff2e10f899407fa",
    "cross_cats_sorted": [
      "math.AT",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-08-04T08:40:28Z",
    "title_canon_sha256": "884195d66a3d33f5e6989950b31aa88a962d7417ca59d575fa382928d2bd32dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0788",
    "kind": "arxiv",
    "version": 5
  }
}