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Pith Number

pith:O5VDRSEC

pith:2012:O5VDRSECMYDRJEGNTBKXCW4O7L
not attested not anchored not stored refs pending

Categorification of Donaldson-Thomas invariants via Perverse Sheaves

Jun Li, Young-Hoon Kiem

arxiv:1212.6444 v5 · 2012-12-23 · math.AG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{O5VDRSECMYDRJEGNTBKXCW4O7L}

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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

2 papers in Pith

Receipt and verification
First computed 2026-05-18T01:18:49.684852Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

776a38c88266071490cd9855715b8efac4e8819e51cdbb38936176bbf034ff9a

Aliases

arxiv: 1212.6444 · arxiv_version: 1212.6444v5 · doi: 10.48550/arxiv.1212.6444 · pith_short_12: O5VDRSECMYDR · pith_short_16: O5VDRSECMYDRJEGN · pith_short_8: O5VDRSEC
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/O5VDRSECMYDRJEGNTBKXCW4O7L \
  | 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: 776a38c88266071490cd9855715b8efac4e8819e51cdbb38936176bbf034ff9a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "92cd048676fc7f8b890c7f7fb56c14059d40247c64b3334908a68ee07f7841e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-12-23T22:41:27Z",
    "title_canon_sha256": "70d210cf9c17af9af3f80b4f67b5b595699ed656a953e612e25f9d79a7317696"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.6444",
    "kind": "arxiv",
    "version": 5
  }
}