Pith Number

pith:MZ456H4G

pith:2005:MZ456H4G5436EOMC6R7DCDVNYB

not attested not anchored not stored refs pending

The boundary of hyperbolicity for Henon-like families

Isabel Rios, Stefano Luzzatto, Yongluo Cao

arxiv:math/0502235 v2 · 2005-02-11 · 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{MZ456H4G5436EOMC6R7DCDVNYB}

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	2026-05-18T03:41:21.700987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6679df1f86ef37e23982f47e310eadc053c5ceb37cf2bcea251f781409d8ce9f

Aliases

arxiv: math/0502235 · arxiv_version: math/0502235v2 · doi: 10.48550/arxiv.math/0502235 · pith_short_12: MZ456H4G5436 · pith_short_16: MZ456H4G5436EOMC · pith_short_8: MZ456H4G

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/MZ456H4G5436EOMC6R7DCDVNYB \
  | 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: 6679df1f86ef37e23982f47e310eadc053c5ceb37cf2bcea251f781409d8ce9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f926149c3f69c6a644a84e64df51dbd83bc688a8d4ed8cc31a3678f0b495ef7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.DS",
    "submitted_at": "2005-02-11T10:21:47Z",
    "title_canon_sha256": "635c24c272ce48eea6c7009f6e691b89629982c6637f652579343aca64694b3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0502235",
    "kind": "arxiv",
    "version": 2
  }
}