Pith Number

pith:BVZPV5JX

pith:2007:BVZPV5JXE2SUBSJII6GR6ZXKLY

not attested not anchored not stored refs pending

A simply connected surface of general type with p_g=0 and K^2=3

Dongsoo Shin, Heesang Park, Jongil Park

arxiv:0708.0273 v3 · 2007-08-02 · math.AG · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BVZPV5JXE2SUBSJII6GR6ZXKLY}

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	2026-05-18T02:38:19.431790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d72faf53726a540c928478d1f66ea5e09a4ac97bd6aadeb2df5c4d005876182

Aliases

arxiv: 0708.0273 · arxiv_version: 0708.0273v3 · doi: 10.48550/arxiv.0708.0273 · pith_short_12: BVZPV5JXE2SU · pith_short_16: BVZPV5JXE2SUBSJI · pith_short_8: BVZPV5JX

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/BVZPV5JXE2SUBSJII6GR6ZXKLY \
  | 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: 0d72faf53726a540c928478d1f66ea5e09a4ac97bd6aadeb2df5c4d005876182

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edc34a19805b041069acfec33e21dc5c254b87ec5479b49a905dc65b5955989f",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2007-08-02T05:10:23Z",
    "title_canon_sha256": "edcedc2651103162c61b43540dd63f7f31392ae48b584ed34237b2dfa6a50277"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.0273",
    "kind": "arxiv",
    "version": 3
  }
}