Pith Number

pith:WDFDRGQ7

pith:2013:WDFDRGQ75T3GMHJVXQOZFUTV2R

not attested not anchored not stored refs pending

One remark on the b-semiampleness of the moduli part

Enrica Floris

arxiv:1311.0915 v1 · 2013-11-04 · 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{WDFDRGQ75T3GMHJVXQOZFUTV2R}

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	2026-05-18T03:07:56.101007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0ca389a1fecf6661d35bc1d92d275d45fff70eb8faed73fa0eeffa9959a9958

Aliases

arxiv: 1311.0915 · arxiv_version: 1311.0915v1 · doi: 10.48550/arxiv.1311.0915 · pith_short_12: WDFDRGQ75T3G · pith_short_16: WDFDRGQ75T3GMHJV · pith_short_8: WDFDRGQ7

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/WDFDRGQ75T3GMHJVXQOZFUTV2R \
  | 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: b0ca389a1fecf6661d35bc1d92d275d45fff70eb8faed73fa0eeffa9959a9958

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "134438f31c2a1602ca19727193d5bc42f9cabccecf4c8ac54da700b5e7d08d15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-11-04T22:07:39Z",
    "title_canon_sha256": "167ba6414777957f690da5b441a4698d080ad7973464a7b10881e6b49e2d4b5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0915",
    "kind": "arxiv",
    "version": 1
  }
}