pith. sign in
Pith Number

pith:URTSK55N

pith:2011:URTSK55N4YMW2IOA7Q6Q35HOGK
not attested not anchored not stored refs pending

BPS state counting on singular varieties

Elizabeth Gasparim, Koushik Ray, Pushan Majumdar, Thomas K\"oppe

arxiv:1105.1068 v3 · 2011-05-05 · math.AG · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{URTSK55N4YMW2IOA7Q6Q35HOGK}

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 2026-05-18T02:02:03.840620Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a4672577ade6196d21c0fc3d0df4ee32842cdbcc21deca532954fe705915c0da

Aliases

arxiv: 1105.1068 · arxiv_version: 1105.1068v3 · doi: 10.48550/arxiv.1105.1068 · pith_short_12: URTSK55N4YMW · pith_short_16: URTSK55N4YMW2IOA · pith_short_8: URTSK55N
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/URTSK55N4YMW2IOA7Q6Q35HOGK \
  | 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: a4672577ade6196d21c0fc3d0df4ee32842cdbcc21deca532954fe705915c0da
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9ab53f1c33ed1857937518a4c3c00e0fc080c7ad4b282162a23f4736442f33c4",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-05-05T13:25:05Z",
    "title_canon_sha256": "0444c74c5824848f3ed9974ae7e3365e157948ab588a33b51e48f31e1305c37a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1068",
    "kind": "arxiv",
    "version": 3
  }
}