Pith Number

pith:NWOD7EFQ

pith:2004:NWOD7EFQB4GINHEI47CJHRFG3D

not attested not anchored not stored refs pending

Topological sigma-models with H-flux and twisted generalized complex manifolds

Anton Kapustin, Yi Li

arxiv:hep-th/0407249 v2 · 2004-07-28 · hep-th · math.AG · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NWOD7EFQB4GINHEI47CJHRFG3D}

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	2026-07-04T14:32:16.540181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d9c3f90b00f0c869c88e7c493c4a6d8e6b14680d56b1809fd45a05ce097fec4

Aliases

arxiv: hep-th/0407249 · arxiv_version: hep-th/0407249v2 · doi: 10.48550/arxiv.hep-th/0407249 · pith_short_12: NWOD7EFQB4GI · pith_short_16: NWOD7EFQB4GINHEI · pith_short_8: NWOD7EFQ

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/NWOD7EFQB4GINHEI47CJHRFG3D \
  | 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: 6d9c3f90b00f0c869c88e7c493c4a6d8e6b14680d56b1809fd45a05ce097fec4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c8821e08ab14e689d12b2d80215c998f76fdfae36ffb522677f1f4d6c9bc8a8",
    "cross_cats_sorted": [
      "math.AG",
      "math.DG"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2004-07-28T18:26:33Z",
    "title_canon_sha256": "5b1e92f587ab7d8a1184cd23ed6e1140d5c892ab5660b103ead48098c6f836e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0407249",
    "kind": "arxiv",
    "version": 2
  }
}