Pith Number

pith:53HCCSOF

pith:2016:53HCCSOFSV2J5ZDRY2VSPNRJ4X

not attested not anchored not stored refs pending

Interesting examples in $\mathbb{C}^2$ of maps tangent to the identity without domains of attraction

Sara Lapan

arxiv:1604.01366 v2 · 2016-04-05 · math.DS · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{53HCCSOFSV2J5ZDRY2VSPNRJ4X}

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	2026-05-17T23:44:33.201143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eece2149c595749ee471c6ab27b629e5e957e361cac6ff125d3e3da65d386777

Aliases

arxiv: 1604.01366 · arxiv_version: 1604.01366v2 · doi: 10.48550/arxiv.1604.01366 · pith_short_12: 53HCCSOFSV2J · pith_short_16: 53HCCSOFSV2J5ZDR · pith_short_8: 53HCCSOF

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/53HCCSOFSV2J5ZDRY2VSPNRJ4X \
  | 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: eece2149c595749ee471c6ab27b629e5e957e361cac6ff125d3e3da65d386777

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1adb7b586af1cd59aab4a9abe21e126612c027c47da8131885ab58176e88c4d1",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2016-04-05T18:58:33Z",
    "title_canon_sha256": "3da54fe007fbb64fa7a3b6bd2ad4d964801e1539b13a27a6e730e42e2c589ff0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.01366",
    "kind": "arxiv",
    "version": 2
  }
}