Pith Number

pith:NOH645HO

pith:2010:NOH645HO4S42Y5U4DUJOGOJRF7

not attested not anchored not stored refs pending

Smoothings of Fano varieties with normal crossing singularities

Nikolaos Tziolas

arxiv:1005.0531 v2 · 2010-05-04 · 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{NOH645HO4S42Y5U4DUJOGOJRF7}

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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.

Cited by

1 paper in Pith

Non-Collapsible Dual Complexes and Fake del Pezzo Surfaces

Receipt and verification

First computed	2026-05-18T03:19:12.037143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b8fee74eee4b9ac769c1d12e339312fcaa5df5038e2b5974c4a5f3863739b73

Aliases

arxiv: 1005.0531 · arxiv_version: 1005.0531v2 · doi: 10.48550/arxiv.1005.0531 · pith_short_12: NOH645HO4S42 · pith_short_16: NOH645HO4S42Y5U4 · pith_short_8: NOH645HO

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/NOH645HO4S42Y5U4DUJOGOJRF7 \
  | 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: 6b8fee74eee4b9ac769c1d12e339312fcaa5df5038e2b5974c4a5f3863739b73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b55f07bee83285542bafc63bae4af0feaaa5188afe30da77d580dd217e383208",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-05-04T14:06:06Z",
    "title_canon_sha256": "3d9fc370ad07c9c3d6724efa13bddf8edc8ef986933621c99ba114443d181c22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.0531",
    "kind": "arxiv",
    "version": 2
  }
}