Pith Number

pith:5DDNH7PQ

pith:2018:5DDNH7PQ4R6CWSKDFXNRKISB5S

not attested not anchored not stored refs pending

Julia sets of Newton maps of real quadratic polynomial maps on the plane

Roberto De Leo

arxiv:1812.11595 v2 · 2018-12-30 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5DDNH7PQ4R6CWSKDFXNRKISB5S}

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	2026-05-17T23:53:49.748630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8c6d3fdf0e47c2b49432ddb152241ecb7f8326064a21ed063068ebbd1216d18

Aliases

arxiv: 1812.11595 · arxiv_version: 1812.11595v2 · doi: 10.48550/arxiv.1812.11595 · pith_short_12: 5DDNH7PQ4R6C · pith_short_16: 5DDNH7PQ4R6CWSKD · pith_short_8: 5DDNH7PQ

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/5DDNH7PQ4R6CWSKDFXNRKISB5S \
  | 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: e8c6d3fdf0e47c2b49432ddb152241ecb7f8326064a21ed063068ebbd1216d18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d7948a7ab8bccbd28313452ccb95a28588256a8741da6f971be6a73ebb53c93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-12-30T19:25:24Z",
    "title_canon_sha256": "2c8e656688daac58b9db5385929410910d6c06bd0a11ab7237f54d57b5eabc0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11595",
    "kind": "arxiv",
    "version": 2
  }
}