Pith Number

pith:ZU5JOMZM

pith:2013:ZU5JOMZMGI5LZDR4XTPJZDABUL

not attested not anchored not stored refs pending

On the Fujita-Zariski decomposition on threefolds

Enrica Floris

arxiv:1305.1441 v3 · 2013-05-07 · 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{ZU5JOMZMGI5LZDR4XTPJZDABUL}

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	2026-05-18T03:14:52.427444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd3a97332c323abc8e3cbcde9c8c01a2fe8dfa62561f80f61412facfbb7d5020

Aliases

arxiv: 1305.1441 · arxiv_version: 1305.1441v3 · doi: 10.48550/arxiv.1305.1441 · pith_short_12: ZU5JOMZMGI5L · pith_short_16: ZU5JOMZMGI5LZDR4 · pith_short_8: ZU5JOMZM

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/ZU5JOMZMGI5LZDR4XTPJZDABUL \
  | 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: cd3a97332c323abc8e3cbcde9c8c01a2fe8dfa62561f80f61412facfbb7d5020

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19fa7600401f143b2ae562c90e29917d5ce925520c4fce6f50414164b4e94a7a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-05-07T08:56:19Z",
    "title_canon_sha256": "79154213238533c5ea190b3208694fd3b4ec063415fe6a70bbc763123ca69e21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1441",
    "kind": "arxiv",
    "version": 3
  }
}