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Pith Number

pith:4XKB2N5P

pith:2021:4XKB2N5PYWYP7F6363ABSWQ4SE
not attested not anchored not stored refs pending

The $\mathcal{N} = 2$ Prepotential and the Sphere Free Energy

Bernardo Zan, Daniel Z. Freedman, Silviu S. Pufu

arxiv:2112.06931 v1 · 2021-12-13 · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4XKB2N5PYWYP7F6363ABSWQ4SE}

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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

Receipt and verification
First computed 2026-07-05T04:35:40.827183Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e5d41d37afc5b0ff97dbf6c0195a1c913b7c572454311ef34a107a74d7cf44fa

Aliases

arxiv: 2112.06931 · arxiv_version: 2112.06931v1 · doi: 10.48550/arxiv.2112.06931 · pith_short_12: 4XKB2N5PYWYP · pith_short_16: 4XKB2N5PYWYP7F63 · pith_short_8: 4XKB2N5P
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4XKB2N5PYWYP7F6363ABSWQ4SE \
  | 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: e5d41d37afc5b0ff97dbf6c0195a1c913b7c572454311ef34a107a74d7cf44fa
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "109631e7e8884c711dd48025ea19975ffcc76dc4badaf484c16f2b2f638fcb9f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-12-13T19:00:00Z",
    "title_canon_sha256": "a38e766f242b50e5a2b3a93dd4dafc57d39f28786f87d7a5c612f6e5e28dd619"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.06931",
    "kind": "arxiv",
    "version": 1
  }
}