Pith Number

pith:IXLYA24F

pith:2011:IXLYA24FBPKQYKWP2DHGOAGKSI

not attested not anchored not stored refs pending

Simply connected surfaces of general type in positive characteristic via deformation theory

Noboru Nakayama, Yongnam Lee

arxiv:1103.5185 v2 · 2011-03-27 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IXLYA24FBPKQYKWP2DHGOAGKSI}

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	2026-05-18T02:58:01.085258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45d7806b850bd50c2acfd0ce6700ca9218948d03cf065ad3caed9a29065f2d75

Aliases

arxiv: 1103.5185 · arxiv_version: 1103.5185v2 · doi: 10.48550/arxiv.1103.5185 · pith_short_12: IXLYA24FBPKQ · pith_short_16: IXLYA24FBPKQYKWP · pith_short_8: IXLYA24F

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/IXLYA24FBPKQYKWP2DHGOAGKSI \
  | 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: 45d7806b850bd50c2acfd0ce6700ca9218948d03cf065ad3caed9a29065f2d75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e80cebec92590905636a0d4adcb493ad9116ddff4c9b107eec1d2fb56faf36ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-03-27T06:11:09Z",
    "title_canon_sha256": "cdaa82854578f490f55d8e0857858bd09a73af37f15775a37564f0f61b6837ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5185",
    "kind": "arxiv",
    "version": 2
  }
}