Pith Number

pith:STD6OOJN

pith:2014:STD6OOJNEJDTKGDB5CHQJ55WRR

not attested not anchored not stored refs pending

Factorization of anticanonical maps of Fano type varieties

Dongseon Hwang, Jinhyung Park, Sung Rak Choi

arxiv:1405.7773 v2 · 2014-05-30 · 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{STD6OOJNEJDTKGDB5CHQJ55WRR}

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	2026-05-18T02:30:31.991321Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94c7e7392d2247351861e88f04f7b68c75081aba64fce62d8faa46a71f1bef33

Aliases

arxiv: 1405.7773 · arxiv_version: 1405.7773v2 · doi: 10.48550/arxiv.1405.7773 · pith_short_12: STD6OOJNEJDT · pith_short_16: STD6OOJNEJDTKGDB · pith_short_8: STD6OOJN

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/STD6OOJNEJDTKGDB5CHQJ55WRR \
  | 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: 94c7e7392d2247351861e88f04f7b68c75081aba64fce62d8faa46a71f1bef33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccb5672ae78b643da5ff0dcf3891c63dc0b85e5a6cda41040acdda23fe1fad69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-05-30T04:46:27Z",
    "title_canon_sha256": "9d415130108e69e80304d83793c8607b18c3b89ea962e87afdc67fc175b0ad44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7773",
    "kind": "arxiv",
    "version": 2
  }
}