Pith Number

pith:I4GLAVI6

pith:2012:I4GLAVI6WSSBKRVI4EFIT54OWQ

not attested not anchored not stored refs pending

Parametrization of rational maps on a variety of general type, and the finiteness theorem

Gian Pietro Pirola, Lucio Guerra

arxiv:1203.2246 v1 · 2012-03-10 · 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{I4GLAVI6WSSBKRVI4EFIT54OWQ}

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	2026-05-18T04:00:26.016662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

470cb0551eb4a41546a8e10a89f78eb408178f023659f16493219cc82f325900

Aliases

arxiv: 1203.2246 · arxiv_version: 1203.2246v1 · doi: 10.48550/arxiv.1203.2246 · pith_short_12: I4GLAVI6WSSB · pith_short_16: I4GLAVI6WSSBKRVI · pith_short_8: I4GLAVI6

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/I4GLAVI6WSSBKRVI4EFIT54OWQ \
  | 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: 470cb0551eb4a41546a8e10a89f78eb408178f023659f16493219cc82f325900

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6db6a7268bc8f7de319507d08f57dfbb827596c59b73d6d17d2820b673c17c20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-03-10T10:27:06Z",
    "title_canon_sha256": "e189ff5de150992e1b048f9a20ee84a2e4b2a1880bb743444cec952b6886cc19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2246",
    "kind": "arxiv",
    "version": 1
  }
}