Pith Number

pith:HQNPDOX5

pith:2019:HQNPDOX5HJLNP7GFUTZ4UZNN5I

not attested not anchored not stored refs pending

Rigidity Theorems for H\'{e}non maps-II

Sayani Bera

arxiv:1902.09369 v2 · 2019-02-25 · math.CV · 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{HQNPDOX5HJLNP7GFUTZ4UZNN5I}

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	2026-05-17T23:52:21.319452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c1af1bafd3a56d7fcc5a4f3ca65adea0d30cbd41de13bf2da10880379093875

Aliases

arxiv: 1902.09369 · arxiv_version: 1902.09369v2 · doi: 10.48550/arxiv.1902.09369 · pith_short_12: HQNPDOX5HJLN · pith_short_16: HQNPDOX5HJLNP7GF · pith_short_8: HQNPDOX5

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/HQNPDOX5HJLNP7GFUTZ4UZNN5I \
  | 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: 3c1af1bafd3a56d7fcc5a4f3ca65adea0d30cbd41de13bf2da10880379093875

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebaf469bdefede44fee9ce91ffcf579508809e9d77ac2a06c5bfb6618967bfff",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2019-02-25T15:33:15Z",
    "title_canon_sha256": "b794dc360ba0e5a1aa10ac6b0678af25da185d7dee39cfcb6ebf44031e5fa35a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09369",
    "kind": "arxiv",
    "version": 2
  }
}