Pith Number

pith:CMC7TMXI

pith:2017:CMC7TMXIHZL5BY7SRXCYEY5H5U

not attested not anchored not stored refs pending

A closing lemma for polynomial automorphisms of C^2

Romain Dujardin (LPMA)

arxiv:1709.01378 v1 · 2017-09-05 · 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{CMC7TMXIHZL5BY7SRXCYEY5H5U}

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

Structural Instability of Semi-Siegel H\'enon maps

Receipt and verification

First computed	2026-05-18T00:36:00.266171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1305f9b2e83e57d0e3f28dc58263a7ed22296fd17562a6920d718aa48adb6091

Aliases

arxiv: 1709.01378 · arxiv_version: 1709.01378v1 · doi: 10.48550/arxiv.1709.01378 · pith_short_12: CMC7TMXIHZL5 · pith_short_16: CMC7TMXIHZL5BY7S · pith_short_8: CMC7TMXI

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/CMC7TMXIHZL5BY7SRXCYEY5H5U \
  | 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: 1305f9b2e83e57d0e3f28dc58263a7ed22296fd17562a6920d718aa48adb6091

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0840dcc73fa9d91af33eba44a5576d41fe491f91762c6d3140c4ee3fd4f0080d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-09-05T13:35:37Z",
    "title_canon_sha256": "785eabe0349654e64bd88dc6ce6bb83858fc42ef921e0b40aea6b428d38a31e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01378",
    "kind": "arxiv",
    "version": 1
  }
}