Pith Number

pith:7UH2A2HY

pith:2026:7UH2A2HYGADPGH2XMLLZ62UPYE

not attested not anchored not stored refs pending

Dragon curves in Littlewood roots

Marcus Michelen, Oren Yakir

arxiv:2606.25440 v1 · 2026-06-24 · math.CA · math.DS · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7UH2A2HYGADPGH2XMLLZ62UPYE}

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	2026-06-25T01:18:05.386574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd0fa068f83006f31f5762d79f6a8fc13bba847c119c6b39ce33570824404566

Aliases

arxiv: 2606.25440 · arxiv_version: 2606.25440v1 · doi: 10.48550/arxiv.2606.25440 · pith_short_12: 7UH2A2HYGADP · pith_short_16: 7UH2A2HYGADPGH2X · pith_short_8: 7UH2A2HY

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/7UH2A2HYGADPGH2XMLLZ62UPYE \
  | 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: fd0fa068f83006f31f5762d79f6a8fc13bba847c119c6b39ce33570824404566

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61532d57dee8eeaae38cf2d77f9e61a060bbd346dab6e6403157770c9588f1db",
    "cross_cats_sorted": [
      "math.DS",
      "math.PR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2026-06-24T06:04:54Z",
    "title_canon_sha256": "b7b2c8dcb25eff93caad6e9dcebc9666f421a87a9df74a884ae93134243bced6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.25440",
    "kind": "arxiv",
    "version": 1
  }
}