Pith Number

pith:XGZ7YI2W

pith:2013:XGZ7YI2WNRADD2NX6SIMHVK7YS

not attested not anchored not stored refs pending

A remark on Kahler metrics with conical singularities along a simple normal crossing divisor

Jian Song, Ved Datar

arxiv:1309.5013 v1 · 2013-09-19 · math.DG · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XGZ7YI2WNRADD2NX6SIMHVK7YS}

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	2026-05-18T00:44:29.505720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9b3fc23566c4031e9b7f490c3d55fc4875d35952ffe29d3bf734c9a288f0338

Aliases

arxiv: 1309.5013 · arxiv_version: 1309.5013v1 · doi: 10.48550/arxiv.1309.5013 · pith_short_12: XGZ7YI2WNRAD · pith_short_16: XGZ7YI2WNRADD2NX · pith_short_8: XGZ7YI2W

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/XGZ7YI2WNRADD2NX6SIMHVK7YS \
  | 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: b9b3fc23566c4031e9b7f490c3d55fc4875d35952ffe29d3bf734c9a288f0338

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8eb8e3770981cde8bd926160021948f9e5b8155cc4b67c9882511821819a87d4",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-09-19T15:08:56Z",
    "title_canon_sha256": "ddd82e79d9cb5b5dd0c99a6d4bb9498ee85837dfd6540d518a2f5397424b9832"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5013",
    "kind": "arxiv",
    "version": 1
  }
}