Pith Number

pith:WZEOANUM

pith:2012:WZEOANUMOYWGL6JPSMJUISYOHB

not attested not anchored not stored refs pending

On the equivariant cohomology of Hilbert schemes of points in the plane

Laurent Evain, Pierre-Emmanuel Chaput

arxiv:1205.5470 v1 · 2012-05-24 · 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{WZEOANUMOYWGL6JPSMJUISYOHB}

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	2026-05-18T03:55:00.997245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b648e0368c762c65f92f9313444b0e387fbfc0a89b176d588f3fac66ffd04f7a

Aliases

arxiv: 1205.5470 · arxiv_version: 1205.5470v1 · doi: 10.48550/arxiv.1205.5470 · pith_short_12: WZEOANUMOYWG · pith_short_16: WZEOANUMOYWGL6JP · pith_short_8: WZEOANUM

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/WZEOANUMOYWGL6JPSMJUISYOHB \
  | 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: b648e0368c762c65f92f9313444b0e387fbfc0a89b176d588f3fac66ffd04f7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0653418370d96be53d969b640f157ee810d89b81f63a8a9770d3a5ec0858502",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-05-24T14:50:27Z",
    "title_canon_sha256": "c86270f986a3406a190b45f070ca913411718fc482450d3ed6a1f177798c0d17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.5470",
    "kind": "arxiv",
    "version": 1
  }
}