Pith Number

pith:SOUFTIXU

pith:2013:SOUFTIXUPDBOZZ7SMD5VWZKU2H

not attested not anchored not stored refs pending

Finiteness and liftability of postcritically finite quadratic morphisms in arbitrary characteristic

Richard Pink

arxiv:1305.2841 v3 · 2013-05-13 · math.AG · math.GR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SOUFTIXUPDBOZZ7SMD5VWZKU2H}

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	2026-05-18T03:15:05.871255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93a859a2f478c2ece7f260fb5b6554d1ff6a686d1b5a7dee5d57752f92686d0f

Aliases

arxiv: 1305.2841 · arxiv_version: 1305.2841v3 · doi: 10.48550/arxiv.1305.2841 · pith_short_12: SOUFTIXUPDBO · pith_short_16: SOUFTIXUPDBOZZ7S · pith_short_8: SOUFTIXU

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/SOUFTIXUPDBOZZ7SMD5VWZKU2H \
  | 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: 93a859a2f478c2ece7f260fb5b6554d1ff6a686d1b5a7dee5d57752f92686d0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87c9d2b672813de7ddf6a0843bf86a2111581a6b2dd2b1fcb041ce3419250fce",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-05-13T16:40:15Z",
    "title_canon_sha256": "804dcdd9716445fb7b6a8b26f4a94a821fb60b40174af9c7bb8eda2193d65b93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2841",
    "kind": "arxiv",
    "version": 3
  }
}