Pith Number

pith:5DIX26BP

pith:2014:5DIX26BPVU72VR22KKUQSMT4FY

not attested not anchored not stored refs pending

Equivariant Hirzebruch class for quadratic cones via degenerations

Andrzej Weber, Malgorzata Mikosz

arxiv:1409.0680 v1 · 2014-09-02 · math.AG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5DIX26BPVU72VR22KKUQSMT4FY}

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	2026-05-18T02:43:46.351885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8d17d782fad3faac75a52a909327c2e36c21cb8fe2c5ec79c34d42ac0e80b5b

Aliases

arxiv: 1409.0680 · arxiv_version: 1409.0680v1 · doi: 10.48550/arxiv.1409.0680 · pith_short_12: 5DIX26BPVU72 · pith_short_16: 5DIX26BPVU72VR22 · pith_short_8: 5DIX26BP

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/5DIX26BPVU72VR22KKUQSMT4FY \
  | 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: e8d17d782fad3faac75a52a909327c2e36c21cb8fe2c5ec79c34d42ac0e80b5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe6662190930977d25f595ea769d0e812acb42b05cfc78eb240f56078bf564aa",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-09-02T12:24:12Z",
    "title_canon_sha256": "e4073ccd9c2a447a4e3d864d3b2925c14225e5b276551603ec355940c619dbb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.0680",
    "kind": "arxiv",
    "version": 1
  }
}