Pith Number

pith:KUDFQSSP

pith:2014:KUDFQSSPT4NVKXGBZL3AFTHIXH

not attested not anchored not stored refs pending

Curves disjoint from a nef divisor

John Christian Ottem, John Lesieutre

arxiv:1410.4467 v1 · 2014-10-16 · 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{KUDFQSSPT4NVKXGBZL3AFTHIXH}

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	2026-05-18T02:39:56.081081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5506584a4f9f1b555cc1caf602cce8b9dc0ea69b684b39fde3c2bbdfbdcd2264

Aliases

arxiv: 1410.4467 · arxiv_version: 1410.4467v1 · doi: 10.48550/arxiv.1410.4467 · pith_short_12: KUDFQSSPT4NV · pith_short_16: KUDFQSSPT4NVKXGB · pith_short_8: KUDFQSSP

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/KUDFQSSPT4NVKXGBZL3AFTHIXH \
  | 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: 5506584a4f9f1b555cc1caf602cce8b9dc0ea69b684b39fde3c2bbdfbdcd2264

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62716d8621edd0cc40972fa9666f6b85bc99deed93bce5be542545fa1ad9acf5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-10-16T15:29:43Z",
    "title_canon_sha256": "bf7756bd2fab94b109ae1ef4036770c985d94e683617458847afb3567a87671b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.4467",
    "kind": "arxiv",
    "version": 1
  }
}