Pith Number

pith:KWZYC5EF

pith:2015:KWZYC5EFONVLOZTCZDF7ZOUSUD

not attested not anchored not stored refs pending

The Donaldson-Thomas theory of $K3\times E$ via the topological vertex

Jim Bryan

arxiv:1504.02920 v2 · 2015-04-11 · math.AG · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KWZYC5EFONVLOZTCZDF7ZOUSUD}

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	2026-05-18T00:30:09.584867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55b3817485736ab76662c8cbfcba92a0e05105941d601412a3c748edb2e8923d

Aliases

arxiv: 1504.02920 · arxiv_version: 1504.02920v2 · doi: 10.48550/arxiv.1504.02920 · pith_short_12: KWZYC5EFONVL · pith_short_16: KWZYC5EFONVLOZTC · pith_short_8: KWZYC5EF

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/KWZYC5EFONVLOZTCZDF7ZOUSUD \
  | 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: 55b3817485736ab76662c8cbfcba92a0e05105941d601412a3c748edb2e8923d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8af4bbc40611e7a285010fcef974030ffa9c107724aa3d9d5e076268eeb6e66",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-04-11T22:28:22Z",
    "title_canon_sha256": "d4600e3ed233211b811ba41821bacb5f6f8b626990e4a28526982d4a4ba1350d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02920",
    "kind": "arxiv",
    "version": 2
  }
}