Pith Number

pith:DP2UQRBE

pith:2017:DP2UQRBEB53LZZEP2V7RECPKMF

not attested not anchored not stored refs pending

Fujita decomposition over higher dimensional base

Fabrizio Catanese, Yujiro Kawamata

arxiv:1709.08065 v1 · 2017-09-23 · 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{DP2UQRBEB53LZZEP2V7RECPKMF}

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	2026-05-18T00:34:28.098146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bf54844240f76bce48fd57f1209ea616d5d084bf554fca8f22ece5609451027

Aliases

arxiv: 1709.08065 · arxiv_version: 1709.08065v1 · doi: 10.48550/arxiv.1709.08065 · pith_short_12: DP2UQRBEB53L · pith_short_16: DP2UQRBEB53LZZEP · pith_short_8: DP2UQRBE

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/DP2UQRBEB53LZZEP2V7RECPKMF \
  | 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: 1bf54844240f76bce48fd57f1209ea616d5d084bf554fca8f22ece5609451027

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74fb0fdf540914d260c3c0942faa34c638c477bb9ec5b99288d7077911080d42",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-09-23T15:32:27Z",
    "title_canon_sha256": "0053203c5e502990013274edc394fea7ae9c8441f08b256aa2b986968afcb83b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.08065",
    "kind": "arxiv",
    "version": 1
  }
}