Pith Number

pith:DKS4C2X6

pith:2025:DKS4C2X6DTXW7OHC6QILBWWDIG

not attested not anchored not stored refs pending

Polynomial skew products with small relative degree

Charles Favre, Matteo Ruggiero, Romain Dujardin

arxiv:2507.09197 v1 · 2025-07-12 · 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{DKS4C2X6DTXW7OHC6QILBWWDIG}

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.

Cited by

1 paper in Pith

Unlikely intersections in families of polynomial skew products

Receipt and verification

First computed	2026-07-05T11:36:05.315110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1aa5c16afe1cef6fb8e2f410b0dac3419dde314f2acd06f2f6203a60cbe993d7

Aliases

arxiv: 2507.09197 · arxiv_version: 2507.09197v1 · doi: 10.48550/arxiv.2507.09197 · pith_short_12: DKS4C2X6DTXW · pith_short_16: DKS4C2X6DTXW7OHC · pith_short_8: DKS4C2X6

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/DKS4C2X6DTXW7OHC6QILBWWDIG \
  | 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: 1aa5c16afe1cef6fb8e2f410b0dac3419dde314f2acd06f2f6203a60cbe993d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5be21db8ccb2b12175b4e53f8f818aace6f460ee4f8df5d15794e7e986f7ff0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2025-07-12T08:29:33Z",
    "title_canon_sha256": "5032be7ea23b7fa9a375fc55bfa9753799e4ac2e83a78838d8b570f9df1fa0a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.09197",
    "kind": "arxiv",
    "version": 1
  }
}