Pith Number

pith:OERZFCLS

pith:2014:OERZFCLSZSPKKBTCK7YQNCHHC5

not attested not anchored not stored refs pending

Donaldson-Thomas theory for Calabi-Yau 4-folds

Naichung Conan Leung, Yalong Cao

arxiv:1407.7659 v2 · 2014-07-29 · math.AG · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OERZFCLSZSPKKBTCK7YQNCHHC5}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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

Modules and generalizations of Joyce vertex algebras

Wall-crossing for Calabi-Yau fourfolds: framework, tools, and applications

Receipt and verification

First computed	2026-05-18T01:32:10.823237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7123928972cc9ea5066257f10688e7175292e0f476d4da75aa9dc327da5c14ad

Aliases

arxiv: 1407.7659 · arxiv_version: 1407.7659v2 · doi: 10.48550/arxiv.1407.7659 · pith_short_12: OERZFCLSZSPK · pith_short_16: OERZFCLSZSPKKBTC · pith_short_8: OERZFCLS

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/OERZFCLSZSPKKBTCK7YQNCHHC5 \
  | 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: 7123928972cc9ea5066257f10688e7175292e0f476d4da75aa9dc327da5c14ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a8f01607e91c854714530d1b46111c2983cd0f34612f81389d27c07847a4a91",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-07-29T08:11:46Z",
    "title_canon_sha256": "b351067899fed665bb94c6da403715e25d190ee0e323281e9de80fe99d4e01ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7659",
    "kind": "arxiv",
    "version": 2
  }
}